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Petras Avižonis (17 April 1875 – 17 October 1939) was a Lithuanian
ophthalmologist Ophthalmology ( ) is a surgery, surgical subspecialty within medicine that deals with the diagnosis and treatment of eye disorders. An ophthalmologist is a physician who undergoes subspecialty training in medical and surgical eye care. Followin ...
, rector of the
University of Lithuania Vytautas Magnus University (VMU) ( lt, Vytauto Didžiojo universitetas (VDU)) is a public university in Kaunas, Lithuania. The university was founded in 1922 during the interwar period as an alternate national university. Initially it was known ...
(1925–1926) and a political figure. Avižonis studied biology at the Saint Petersburg University but transferred to the
Dorpat University The University of Tartu (UT; et, Tartu Ülikool; la, Universitas Tartuensis) is a university in the city of Tartu in Estonia. It is the national university of Estonia. It is the only classical university in the country, and also its biggest ...
to study medicine in 1897. As a student, he was active participant in the Lithuanian National Revival, collaborating with Povilas Višinskis,
Gabrielė Petkevičaitė-Bitė Gabrielė Petkevičaitė (; 18 March 1861 – 14 June 1943) was a Lithuanian educator, writer, and activist. Her pen name Bitė (''Bee'') eventually became part of her last name. Encouraged by Povilas Višinskis, she joined public life and start ...
, Julija Žymantienė (Žemaitė). In 1897, he wrote a small
Lithuanian grammar Lithuanian grammar retains many archaic features from Proto-Balto-Slavic that have been lost in other Balto-Slavic languages, and is consequently very complex. Properties and morphological categories Grammatical terminology : Gender Lithuania ...
. In summer 1900, he worked with linguist
Jonas Jablonskis Jonas Jablonskis (; 30 December 1860, in Kubilėliai, Šakiai district – 23 February 1930, in Kaunas) was a distinguished Lithuanian linguist and one of the founders of the standard Lithuanian language. He used the pseudonym ''Rygiškių Jonas' ...
to write a more substantial grammar, which became highly influential in creating the standard Lithuanian language. Avižonis served as an army doctor with the
Imperial Russian Army The Imperial Russian Army (russian: Ру́сская импера́торская а́рмия, tr. ) was the armed land force of the Russian Empire, active from around 1721 to the Russian Revolution of 1917. In the early 1850s, the Russian Ar ...
in the
Russo-Japanese War The Russo-Japanese War ( ja, 日露戦争, Nichiro sensō, Japanese-Russian War; russian: Ру́сско-япóнская войнá, Rússko-yapónskaya voyná) was fought between the Empire of Japan and the Russian Empire during 1904 and 1 ...
and
World War I World War I (28 July 1914 11 November 1918), often abbreviated as WWI, was one of the deadliest global conflicts in history. Belligerents included much of Europe, the Russian Empire, the United States, and the Ottoman Empire, with fightin ...
. He became interested in ophthalmology and completed his PhD in 1914. He particularly focused on treating and preventing trachoma. In independent Lithuania, he taught ophthalmology from 1920 to his death, organized ophthalmology section at the
University of Lithuania Vytautas Magnus University (VMU) ( lt, Vytauto Didžiojo universitetas (VDU)) is a public university in Kaunas, Lithuania. The university was founded in 1922 during the interwar period as an alternate national university. Initially it was known ...
, opened and headed a modern eye clinic, organized professional societies for doctors. Avižonis contributed to numerous Lithuanian periodicals, published separate brochures on medical and societal topics, and authored over one hundred academic articles. He attended international conferences and was elected to the board of the International Organization Against Trachoma in 1938. His main work, the 844-page guide to eye diseases, was unsurpassed for over fifty years.


Biography


Early life and education

Avižonis was born on in
Pasvalys Pasvalys () is a town in Panevėžys County, Lithuania, located near the bank of the Svalia River. History In 1557, the Treaty of Pasvalys was signed in the town, which provoked Ivan IV of Russia to start the Livonian War. Pasvalys has mineral s ...
. His family owned about of land and had eight children (three sons and five daughters). His parents, active book smugglers who helped
Jurgis Bielinis Jurgis Bielinis (1846–1918) was one of the main organizers of the illegal book-smuggling at the time of the Lithuanian press ban (1864–1904). Bielinis is informally referred to as the King of Book Smugglers. Since 1989, Bielinis's birthday (1 ...
hide the books, wanted him to become a priest and sent him to a private four-year German school in Mitau (present-day Jelgava) in 1884. After the graduation, he refused to attend a priest seminary and instead continued his education at the
Mitau Gymnasium Jelgava Gymnasium or Academia Petrina is the oldest higher educational establishment in Latvia. Based on an idea by , it was established in Mitau, capital of the Duchy of Courland and Semigallia, by Duke Peter von Biron in 1775. The duke wanted t ...
which was attended by many other Lithuanian students, later prominent figures in Lithuanian politics and culture. These students organized an illegal student organization, which Avižonis reorganized into the Infant Society in 1890. The society promoted the Lithuanian national consciousness and helped distribute banned Lithuanian books. Upon graduation in 1894, Avižonis worked as a tutor for a year to save up money for university studies. He also received financial aid from
Žiburėlis Žiburėlis (diminutive of ''žiburys'' meaning 'light', 'beacon') later Lietuvos žiburėlis was a charitable society providing financial aid to gifted Lithuanian students. The society grew out of the Lithuanian National Revival, hopes of creat ...
society. He chose biology at the Saint Petersburg University. Due to strict
Russification Russification (russian: русификация, rusifikatsiya), or Russianization, is a form of cultural assimilation in which non-Russians, whether involuntarily or voluntarily, give up their culture and language in favor of the Russian cultur ...
policies, as a Lithuanian and non-Eastern Orthodox, Avižonis could only work in Lithuania if he became a priest, a doctor, or an attorney. Therefore, he transferred to the
Dorpat University The University of Tartu (UT; et, Tartu Ülikool; la, Universitas Tartuensis) is a university in the city of Tartu in Estonia. It is the national university of Estonia. It is the only classical university in the country, and also its biggest ...
to study medicine in 1897 and graduated in 1900. In Saint Petersburg, he became active among Lithuanian students, began contributing to Lithuanian periodicals ''
Varpas ''Varpas'' (literally: ''The Bell'') was a monthly Lithuanian-language newspaper published during the Lithuanian press ban from January 1889 to December 1905. Because its publication was illegal in Lithuania, then part of the Russian Empire, it wa ...
'' and ''
Ūkininkas ''Ūkininkas'' or ''Ukinįkas'' (literally: ''The Farmer'') was a monthly Lithuanian-language newspaper published during the Lithuanian press ban by the editorial staff of ''Varpas'' from 1890 to 1905. ''Ūkininkas'' was printed in Tilsit (current ...
'', and helped Povilas Višinskis edit the first works of writer Julija Žymantienė (Žemaitė). In 1898, he published his first booklet, a popular explanation of some basic topics in
earth science Earth science or geoscience includes all fields of natural science related to the planet Earth. This is a branch of science dealing with the physical, chemical, and biological complex constitutions and synergistic linkages of Earth's four spheres ...
. In June 1898, Avižonis, Višinkis,
Gabrielė Petkevičaitė-Bitė Gabrielė Petkevičaitė (; 18 March 1861 – 14 June 1943) was a Lithuanian educator, writer, and activist. Her pen name Bitė (''Bee'') eventually became part of her last name. Encouraged by Povilas Višinskis, she joined public life and start ...
,
Jadvyga Juškytė Jadvyga Teofilė Juškytė (1869–1948) was a Lithuanian activist during the Lithuanian National Revival. Born to a family of petty Lithuanian nobles, Juškytė did not get any formal education but worked as a teacher most of her life. At a y ...
and her sister Marija visited
Vincas Kudirka Vincas Kudirka (; – ) was a Lithuanian poet and physician, and the author of both the music and lyrics of the Lithuanian national anthem, "". He is regarded in Lithuania as a national hero. Kudirka used the pen names V. Kapsas, Paežeri ...
, the publisher of ''Varpas'' living in Naumiestis in
Suvalkija Suvalkija or Sudovia ( lt, Suvalkija or ''Sūduva'') is the smallest of the five cultural regions of Lithuania. Its unofficial capital is Marijampolė. People from Suvalkija (Suvalkijans, Suvalkians) are called (plural) or (singular) in Lithu ...
. They also visited Tadeusz Dowgird, archaeologist and artist,
Petras Kriaučiūnas Petras Kriaučiūnas (1850–1916) was an activist during the Lithuanian National Revival. Educated as a priest, he taught at the Marijampolė Gymnasium in 1881–1887 and 1906–1914 and was active as an amateur linguist. Kriaučiūnas was born ...
, teacher and
book smuggler Lithuanian book smugglers or Lithuanian book carriers ( lt, knygnešys, plural: lt, knygnešiaĩ, label=none) transported Lithuanian language books printed in the Latin alphabet into Lithuanian-speaking areas of the Russian Empire, defying a ba ...
, and
Kazimieras Jaunius Kazimieras Jaunius (1848–1908) was a Lithuanian Catholic priest and linguist. While Jaunius published very little, his major achievements include a well regarded Lithuanian grammar, systematization and classification of the Lithuanian diale ...
, priest and linguist. In August 1899, Avižonis helped organizing the first Lithuanian-language theater performance, comedy ''
America in the Bathhouse ''America in the Bathhouse'' ( lt, Amerika pirtyje) is a three-act comedy by Keturakis ( pen name of brothers and ). The play was first published in 1895. It became the first Lithuanian-language play performed in public in present-day Lithuania ...
'' (''Amerika pirtyje''), in
Palanga Palanga (; bat-smg, Palonga; pl, Połąga; german: Polangen) is a seaside resort town in western Lithuania, on the shore of the Baltic Sea. Palanga is the busiest summer resort in Lithuania and has sandy beaches (18 km, 11 miles long ...
. After the performance,
Liudas Vaineikis Liudas Vaineikis (31 August 1869 – 17 January 1938) was a physician and notable member of the Lithuanian book smuggling movement during the Lithuanian press ban (1864–1904). Already as a student at Mitau Gymnasium, Vaineikis joined the ...
took Višinskis and Avižonis to
Tilsit Sovetsk (russian: Сове́тск; german: Tilsit; Old Prussian: ''Tilzi''; lt, Tilžė; pl, Tylża) is a town in Kaliningrad Oblast, Russia, located on the south bank of the Neman River which forms the border with Lithuania. Geography Sov ...
in
East Prussia East Prussia ; german: Ostpreißen, label=Low Prussian; pl, Prusy Wschodnie; lt, Rytų Prūsija was a province of the Kingdom of Prussia from 1773 to 1829 and again from 1878 (with the Kingdom itself being part of the German Empire from 187 ...
, the major publishing center of the illegal Lithuanian press. On their way back, they visited
Juozas Tumas-Vaižgantas Juozas Tumas also known by the pen name Vaižgantas (20 September 1869 – 29 April 1933) was a Lithuanian Roman Catholic priest and an activist during the Lithuanian National Revival. He was a prolific writer, editor of nine periodicals, univers ...
in
Kuliai Kuliai ( Samogitian: ''Kulē'', pl, Kule) is a town in Telšiai County, Lithuania. According to the 2011 census, the town has a population of 625 people. History In June 1941, the local Lithuanian collaborators arrested the Jewish inhabitants of ...
and
Sofija Pšibiliauskienė Sofija Pšibiliauskienė ''née'' Ivanauskaitė ( pl, Zofia Przybylewska, née Iwanowska; September 16, 1867 in Paragiai, Shavelsky Uyezd, Kovno Governorate – March 15, 1926 in Paragiai) and Marija Lastauskienė were two Lithuanian sister writ ...
near
Tryškiai Tryškiai ( sgs, Trīškē, pl, Tryszki) is a small town in Telšiai district municipality, Lithuania with a population of about 1,000. History In late July 1941, 70 to 80 Jewish men were killed in a mass execution perpetrated by an Einsatzgrupp ...
. He continued to correspond with linguist
Jonas Jablonskis Jonas Jablonskis (; 30 December 1860, in Kubilėliai, Šakiai district – 23 February 1930, in Kaunas) was a distinguished Lithuanian linguist and one of the founders of the standard Lithuanian language. He used the pseudonym ''Rygiškių Jonas' ...
, former teacher at Mitau, and with his encouragement wrote a small
Lithuanian grammar Lithuanian grammar retains many archaic features from Proto-Balto-Slavic that have been lost in other Balto-Slavic languages, and is consequently very complex. Properties and morphological categories Grammatical terminology : Gender Lithuania ...
based on the German-language writings of
Friedrich Kurschat Friedrich Kurschat ( lt, Frydrichas Kuršaitis; 1806–1884) was a Prussian Lithuanian linguist and professor at the University of Königsberg. He studied the Lithuanian language and published its grammar in 1876 in which he was the first to descr ...
and on works by
Kazimieras Jaunius Kazimieras Jaunius (1848–1908) was a Lithuanian Catholic priest and linguist. While Jaunius published very little, his major achievements include a well regarded Lithuanian grammar, systematization and classification of the Lithuanian diale ...
. It was the first work that used the Lithuanian alphabet as it is used today. When the book could not be printed,
Antanas Smetona Antanas Smetona (; 10 August 1874 – 9 January 1944) was a Lithuanian intellectual and journalist and the first President of Lithuania from 1919 to 1920 and again from 1926 to 1940, before its occupation by the Soviet Union. He was one of the m ...
and made about 100 copies using a mimeograph in 1898. This grammar was insufficient for Lithuanian needs and in summer 1900 Jablonskis and Avižonis wrote a more substantial grammar, which became highly influential in creating the standard Lithuanian language. It was published in 1901 under the
pen name A pen name, also called a ''nom de plume'' or a literary double, is a pseudonym (or, in some cases, a variant form of a real name) adopted by an author and printed on the title page or by-line of their works in place of their real name. A pen na ...
Petras Kriaušaitis (Petras is Avižonis' first name and Kriaušaitis is Jablonskis' pen name).


In Russian Empire

Upon graduation, he worked as a doctor in Ariogala. At the time, he did not specialize and treated all kinds of ailments. In 1901, he married Sofija Gruzdytė, who studied midwifery and massage in Dorpat, contributed to Lithuanian press, and published a translation of Tolstoy's ''The Restoration of Hell'' in 1908. She was sister-in-law of . In October 1902, he participated in a meeting of ''Varpas'' publishers and contributors in Dabikinė Manor. The meeting was organized by Povilas Višinskis and attended by
Jonas Biliūnas Jonas Biliūnas (11 April 1879 – 8 December 1907) was a Lithuanian writer, poet, and a significant contributor to the national awakening of Lithuania in the late 19th and early 20th centuries. Biography Early life Biliūnas was born near A ...
, Kazys Grinius,
Jurgis Šaulys Jurgis Šaulys (; 1879–1948) was a Lithuanian economist, diplomat, and politician, and one of the twenty signatories to the 1918 Act of Independence of Lithuania. Šaulys attended secondary school in Palanga and attended the Kaunas Theologi ...
,
Jonas Vileišis Jonas Vileišis (January 3, 1872 – June 1, 1942) was a Lithuanian lawyer, politician, and diplomat. Early life and career Vileišis was born in Mediniai, near Pasvalys. In 1892 he graduated from the Šiauliai Gymnasium. During 1892-1894, he ...
,
Antanas Smetona Antanas Smetona (; 10 August 1874 – 9 January 1944) was a Lithuanian intellectual and journalist and the first President of Lithuania from 1919 to 1920 and again from 1926 to 1940, before its occupation by the Soviet Union. He was one of the m ...
, and others. They discussed political ideas and established the
Lithuanian Democratic Party The Lithuanian Democratic Party ( lt, Lietuvių demokratų partija, LDP) was a political party in Lithuania The original party was established in 1902. It published newspapers ''Lietuvos ūkininkas'' (1905–1918) and ''Lietuvos žinios'' (1909 ...
. In 1903, the couple moved to Žagarė where he organized a cooperative, a charitable society, and a shelter for the poor. In 1904, Avižonis assisted
Jonas Jablonskis Jonas Jablonskis (; 30 December 1860, in Kubilėliai, Šakiai district – 23 February 1930, in Kaunas) was a distinguished Lithuanian linguist and one of the founders of the standard Lithuanian language. He used the pseudonym ''Rygiškių Jonas' ...
in preparing for publication the second volume of the Polish–Lithuanian dictionary, compiled by Antanas Juška. During the
Russo-Japanese War The Russo-Japanese War ( ja, 日露戦争, Nichiro sensō, Japanese-Russian War; russian: Ру́сско-япóнская войнá, Rússko-yapónskaya voyná) was fought between the Empire of Japan and the Russian Empire during 1904 and 1 ...
, he was drafted to serve as doctor in the
Imperial Russian Army The Imperial Russian Army (russian: Ру́сская импера́торская а́рмия, tr. ) was the armed land force of the Russian Empire, active from around 1721 to the Russian Revolution of 1917. In the early 1850s, the Russian Ar ...
and was taken captive by the Japanese. In 1910, he moved to Šiauliai. Avižonis became interested in
ophthalmology Ophthalmology ( ) is a surgical subspecialty within medicine that deals with the diagnosis and treatment of eye disorders. An ophthalmologist is a physician who undergoes subspecialty training in medical and surgical eye care. Following a medic ...
after taking part in an expedition of Russian ophthalmologists to Zarasai. He continued his medical education specializing in ophthalmology by attending courses on
anthropometry Anthropometry () refers to the measurement of the human individual. An early tool of physical anthropology, it has been used for identification, for the purposes of understanding human physical variation, in paleoanthropology and in various atte ...
by Fedir Vovk, taking classes at the , and practicing at the eye clinics of professors and . He defended his PhD thesis on eye ailments in
Gruzdžiai Gruzdžiai is a small town in Šiauliai County Šiauliai County ( lt, Šiaulių apskritis) is one of ten counties in Lithuania. It is in the north of the country, and its capital is Šiauliai. On 1 July 2010, the county administration was a ...
and
Lygumai Lygumai is a small town in Pakruojis District Municipality, Šiauliai County, northern-central Lithuania. As of 2011 it had a population of 601. It is the administrative center of the . History In 15th century the Lygumai estate of the Grand ...
area at the
Dorpat University The University of Tartu (UT; et, Tartu Ülikool; la, Universitas Tartuensis) is a university in the city of Tartu in Estonia. It is the national university of Estonia. It is the only classical university in the country, and also its biggest ...
in 1914. His thesis concluded that blindness in some 60% of cases resulted from trachoma and dedicated his efforts in eradicating the infectious disease. At the same time, Avižonis continued to be active in Lithuanian cultural life. During the Russian Revolution of 1905, his political views shifted towards
social democracy Social democracy is a Political philosophy, political, Social philosophy, social, and economic philosophy within socialism that supports Democracy, political and economic democracy. As a policy regime, it is described by academics as advocati ...
. Using more than 50 pen names, he contributed numerous articles, often on medical topics, to Lithuanian press, including democratic ''
Vilniaus žinios ''Vilniaus žinios'' (literally: ''Vilnius news'') was a short-lived newspaper published in Vilnius, Lithuania. It was the first legal Lithuanian-language daily newspaper to appear after the Lithuanian press ban was lifted on May 7, 1904. Histo ...
'' (1905–1909), '' Lietuvos ūkininkas'' (1905–1909), ''
Lietuvos žinios ''Lietuvos žinios'' (literally: ''News of Lithuania'') was a daily newspaper in Lithuania. Established in Vilnius in 1909, it was a liberal newspaper representing the Lithuanian Democratic Party. Even though its publication was interrupted by World ...
'', and social democratic '' Darbininkų balsas'' (1902), ''Naujoji Gadynė'' (1906), ''Skardas'' (1907), and others. He also published several booklets: ''Socialists and Masons'' (1906), ''Alcoholism Our Curse'' (1907), ''Workers and Society'' (1908), ''Earth and Human'' (1910). Some of the medical articles, published in ''Sveikata'' supplement of ''Lietuvos ūkininkas'', were republished as separate brochures. He was a member of the
Lithuanian Scientific Society The Lithuanian Scientific Society ( lt, Lietuvių mokslo draugija) was a scientific, cultural, and educational organization that was active between 1907 and 1940 in Vilnius, Lithuania. It was founded in 1907 on the initiative of Jonas Basanavič ...
and contributed to its journal ''Lietuvių tauta''. He participated in the cultural Varpas Society in Šiauliai. The society organized music and theater performances, lectures, Lithuanian evenings, etc. At the outbreak of
World War I World War I (28 July 1914 11 November 1918), often abbreviated as WWI, was one of the deadliest global conflicts in history. Belligerents included much of Europe, the Russian Empire, the United States, and the Ottoman Empire, with fightin ...
, Avižonis was again drafted to serve as doctor in the Imperial Russian Army. From December 1914 to June 1916, he worked as a senior doctor in a
Red Cross The International Red Cross and Red Crescent Movement is a Humanitarianism, humanitarian movement with approximately 97 million Volunteering, volunteers, members and staff worldwide. It was founded to protect human life and health, to ensure re ...
sanitary train and a medical platoon. He then became director of the ophthalmology section of the Central Prison Hospital attached to the Butyrka prison and doctor at the Red Cross Hospital in Moscow. After the
February Revolution The February Revolution ( rus, Февра́льская револю́ция, r=Fevral'skaya revolyutsiya, p=fʲɪvˈralʲskəjə rʲɪvɐˈlʲutsɨjə), known in Soviet historiography as the February Bourgeois Democratic Revolution and somet ...
in 1917, he joined the Russian Social Democratic Labour Party (Bolsheviks). He attended the Lithuanian Petrograd Seimas in June 1917.


In independent Lithuania

In June 1918, Avižonis returned to Lithuania taking up residence in Šiauliai. As a member of the
Lithuanian Communist Party The Communist Party of Lithuania ( lt, Lietuvos komunistų partija; russian: Коммунистическая партия Литвы) is a banned communist party in Lithuania. The party was established in early October 1918 and operated cla ...
, he was invited by Vincas Mickevičius-Kapsukas to become Commissar of Health in the short-lived
Lithuanian–Byelorussian Soviet Socialist Republic The Socialist Soviet Republic of Lithuania and Belorussia (SSR LiB), * lt, Lietuvos ir Baltarusijos socialistinė tarybų respublika; * pl, Litewsko-Białoruska Socjalistyczna Republika Rad * russian: Социалистическая Сове ...
in 1919. Kapsukas also delegated Avižonis to purchase textbooks for the planned university in Vilnius. This episode almost led to his arrest in 1920 when he was accused of being a
Bolshevik The Bolsheviks (russian: Большевики́, from большинство́ ''bol'shinstvó'', 'majority'),; derived from ''bol'shinstvó'' (большинство́), "majority", literally meaning "one of the majority". also known in English ...
collaborator. In independent Lithuania, Avižonis focused his efforts on medicine and departed from politics. He moved to
Kaunas Kaunas (; ; also see other names) is the second-largest city in Lithuania after Vilnius and an important centre of Lithuanian economic, academic, and cultural life. Kaunas was the largest city and the centre of a county in the Duchy of Trakai ...
and organized the Medical Society of Kaunas in May 1919. This and other local medical societies organized the Union of Lithuanian Doctors in 1923. Its statute was drafted by Avižonis. From 1920, Avižonis lectured at the Higher Courses, the predecessor of the
University of Lithuania Vytautas Magnus University (VMU) ( lt, Vytauto Didžiojo universitetas (VDU)) is a public university in Kaunas, Lithuania. The university was founded in 1922 during the interwar period as an alternate national university. Initially it was known ...
established in 1922. At the new university, he was the dean of the Faculty of Medicine (1923–1924), university prorector (1924–1925), and rector (1925–1926). He continued to teach ophthalmology and
history of medicine The history of medicine is both a study of medicine throughout history as well as a multidisciplinary field of study that seeks to explore and understand medical practices, both past and present, throughout human societies. More than just histo ...
until his death in 1939. In 1930, he established an eye clinic and organized the construction of a modern building. It was a 50-bed hospital that in 1930–1938 treated almost 5,000 inpatients and 217,000 outpatients. The clinic was merged with the Red Cross Hospital in September 1939, just a month prior to his death. Avižonis was a member of the German (from 1923) and French (from 1930) Societies of Ophthalmology. He attended international conferences and was elected to the board of the International Organization Against Trachoma in 1938. In 1932, he founded the Society of Lithuanian Eye Doctors and chaired it until 1939. He published 134 academic articles on diagnosis, treatment, and prevention of various eye diseases in Lithuanian (95 articles in ''Medicina''), Latvian, German, French, contributed articles to the ''
Lithuanian Encyclopedia Lithuanian encyclopedias are encyclopedias published in the Lithuanian language or encyclopedias about Lithuania and Lithuania-related topics. The first known attempt to create a Lithuanian encyclopedia was in 1883, when Jonas Jacevičius failed t ...
'', edited medical journals ''Medicina'' (Lithuanian), ''Archiv Oftalmologii'' (Russian), ''Ophthalmologica'' (German). His main work – the 844-page guide to eye diseases – was published posthumously in 1940. It remained the only comprehensive Lithuanian-language guide to eye diseases for over half a century. When writing in Lithuanian, Avižonis had to translate or create numerous medical terms – about 250 in total, including some fundamental terms like ''tinklainė'' (
retina The retina (from la, rete "net") is the innermost, light-sensitive layer of tissue of the eye of most vertebrates and some molluscs. The optics of the eye create a focused two-dimensional image of the visual world on the retina, which then ...
), ''akiduobė'' (
orbit In celestial mechanics, an orbit is the curved trajectory of an object such as the trajectory of a planet around a star, or of a natural satellite around a planet, or of an artificial satellite around an object or position in space such as a p ...
), ''lęšiukas'' ( lens). He was interested in linguistics and assisted Kazimieras Būga and
Juozas Balčikonis Juozas Balčikonis (24 March 1885 in Ėriškiai, Panevėžys District – 5 February 1969 in Vilnius) was a Lithuanian linguist and teacher, who contributed to the standardization of the Lithuanian language Lithuanian ( ) is an Eastern ...
in their efforts of compiling the
Academic Dictionary of Lithuanian The Academic Dictionary of Lithuanian ( lt, Didysis lietuvių kalbos žodynas or lt, Akademinis lietuvių kalbos žodynas, label=none) is a comprehensive thesaurus of the Lithuanian language and one of the most extensive lexicographical works in ...
. Avižonis died on 17 October 1939. His funeral was a large public event, attended by many dignitaries. His body was cremated and his ashes stored in a copper urn made by
Petras Rimša Petras Rimša ( pl, Piotr Rymsza, 3 November 1881 in Naudžiai, Vilkaviškis district – 2 October 1961 in Kaunas) was one of the first professional Lithuanian sculptors and medalists. Biography Rimša was born to a family of farmers in Suvalk ...
. Due to World War II, the urn remained unburied until November 1984. The ashes were buried with a public ceremony in the
Petrašiūnai Cemetery Petrašiūnai Cemetery ( lt, Petrašiūnų kapinės) is Lithuania's premiere last resting place formally designated for graves of people influential in national history, politics, arts, and science. Location Petrašiūnai Cemetery is located abo ...
.


References

{{DEFAULTSORT:Avizonis, Petras 1875 births 1939 deaths People from Pasvalys District Municipality People from Ponevezhsky Uyezd Communist Party of Lithuania politicians Lithuanian–Byelorussian Soviet Socialist Republic people Physicians from the Russian Empire Lithuanian ophthalmologists Saint Petersburg State University alumni University of Tartu alumni Rectors of Vytautas Magnus University Recipients of the Order of the Lithuanian Grand Duke Gediminas Burials at Petrašiūnai Cemetery