Cyclospasm is the contraction of the

ciliary muscle The ciliary muscle is an intrinsic muscle of the eye formed as a ring of smooth muscleSchachar, Ronald A. (2012). "Anatomy and Physiology." (Chapter 4) . in the eye's middle layer, uvea ( vascular layer). It controls accommodation for viewing ...

in the eye, in the accommodation of focus for near vision. Cyclospasm may also exert tensions on the

trabecular meshwork The trabecular meshwork is an area of tissue in the eye located around the base of the cornea, near the ciliary body, and is responsible for draining the aqueous humor from the eye via the anterior chamber (the chamber on the front of the e ...

, opening the pores and facilitating outflow of the

aqueous humour The aqueous humour is a transparent water-like fluid similar to plasma, but containing low protein concentrations. It is secreted from the ciliary body, a structure supporting the lens of the eyeball. It fills both the anterior and the posterio ...

into the

canal of Schlemm Schlemm's canal is a circular lymphatic-like vessel in the eye. It collects aqueous humor from the anterior chamber and delivers it into the episcleral blood vessels. Canaloplasty may be used to widen it. Structure Schlemm's canal is an endoth ...

. The increase in aqueous humour outflow is desirable for patients with

glaucoma Glaucoma is a group of eye diseases that result in damage to the optic nerve (or retina) and cause vision loss. The most common type is open-angle (wide angle, chronic simple) glaucoma, in which the drainage angle for fluid within the eye rem ...

Symptoms

Symptoms are the same as in the case of

Myopia Near-sightedness, also known as myopia and short-sightedness, is an eye disease where light focuses in front of, instead of on, the retina. As a result, distant objects appear blurry while close objects appear normal. Other symptoms may include ...

. Some of the most common symptoms are: tiredness of the eyes while looking at close objects, eye ache, headache.

Reasons

Primary reasons is eye fatigue as a result of excessive pressure on the eyes because of reading, watching TV, computer, poor lighting, etc. Some other reasons are poor posture, poor diet, lack of sleep, etc.

Treatment

There are different ways to treat cyclospasm. Some doctors recommend special eye drops and taking care of your hygiene, while

eye exercises Vision therapy (VT), or behavioral optometry, is an umbrella term for alternative medicine treatments using eye exercises, based around the pseudoscientific claim that vision problems are the true underlying cause of learning disabilities, parti ...

and healthy diet is also vital for good eyesight. There are no surgical treatment. If cyclospasm is not treated at its early stages, it may lead to myopia. {{eye-stub Ophthalmology