Persistent tunica vasculosa lentis is a
congenital ocular
Eyes are organs of the visual system. They provide living organisms with vision, the ability to receive and process visual detail, as well as enabling several photo response functions that are independent of vision. Eyes detect light and con ...
anomaly. It is a form of
persistent hyperplastic primary vitreous (PHPV).
It is a developmental disorder of the
vitreous. It is usually unilateral and first noticed in the
neonatal period. It may be associated with
microphthalmos,
cataracts
A cataract is a cloudy area in the lens of the eye that leads to a decrease in vision. Cataracts often develop slowly and can affect one or both eyes. Symptoms may include faded colors, blurry or double vision, halos around light, trouble w ...
, and increased intraocular pressure. Elongated
ciliary processes
The ciliary processes are formed by the inward folding of the various layers of the choroid, viz. the choroid proper and the lamina basalis, and are received between corresponding foldings of the suspensory ligament of the lens.
Anatomy
They ...
are visible through the dilated pupil. A USG B-scan confirms diagnosis in the presence of a cataract.
See also
*
Persistent fetal vasculature
*
Tunica vasculosa lentis
References
* http://www.djo.harvard.edu/files/1568.pdf
* Wright KW, Speigel PH, Buckley EG. Pediatric Ophthalmology and Strabismus. Springer; US, New York: 2003. p. 17.
Eye diseases
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