Ocular histoplasmosis syndrome
(1) The presence of histo spots, which indicate previous exposure to the histo fungus spores; and (2) Swelling of the retina, which signals the growth of new, abnormal blood vessels. professional to better examine the retina.
Treatment may include injections of anti-VEGF agents, photocoagulation or photodynamic therapy (PDT). Lasers produce small, powerful beam of light that destroy the fragile, abnormal blood vessels, as well as a small amount of the overlying retinal tissue. Although the destruction of retinal tissue during the procedure can itself cause some loss of vision, this is done in the hope of protecting the fovea and preserving the finely-tuned vision it provides.
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- Ocular prosthesis
1. An artificial replacement for an eyeball. In other words, an artificial eye, a globe of glass or plastic colored so it looks like an eyeball. 2. In the strict sense, any artificial aid to vision such as, for example, a pair of eyeglasses or a plastic lens inserted in the place of a lens […]
- Oculodentodigital dysplasia
A genetic disorder that affects many body structures and systems, including the eyes, face, teeth, fingers and toes, and may also cause hearing loss, heart trouble and neurological problems. The disorder is due to mutation (change) in a gene called connexin 43. Also called the ODD syndrome.
- Oculomotor nerve
The third cranial nerve. The oculomotor nerve is responsible for the nerve supply to muscles around the eye, including the upper eyelid muscle, which raises the eyelid; the extraocular muscle, which moves the eye inward; and the pupillary muscle, which constricts the pupil. Paralysis of the oculomotor nerve results in a drooping eyelid (ptosis), deviation […]
- Oculoplastics
Eye plastic and reconstructive surgery., a specialized area of ophthalmology that focuses on the eyelids and the structures surrounding the eye, including problems of the lacrimal (tear) system and the orbit, the region surrounding the eyeball.
- OD (lens prescription)
Abbreviation of “oculus dexter.” Latin for “right eye.” (The words “dexterity” and “dextrous” derive from “dexter” since the right hand is usually more skillful than the left.) OS stands for “oculus sinister” which is Latin for left eye.