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In many cases, myopia will stabilize once the growth process has been completed, but in more severe chronic cases, loss of vision can occur. Degenerative myopia, also known as malignant, pathological, or progressive myopia, is characterized by posterior sclera elongation and thinning (at least 25.5 mm to 26.5 mm) and high refractive errors of ...
Stickler syndrome (hereditary progressive arthro-ophthalmodystrophy) is a group of rare genetic disorders affecting connective tissue, specifically collagen. [1] Stickler syndrome is a subtype of collagenopathy, types II and XI. Stickler syndrome is characterized by distinctive facial abnormalities, ocular problems, hearing loss, and joint and ...
The prevalence of myopia has been reported as high as 70–90% in some Asian countries, 30–40% in Europe and the United States, and 10–20% in Africa. [130] Myopia is about twice as common in Jewish people than in people of non-Jewish ethnicity. [132] Myopia is less common in African people and associated diaspora. [129]
(H35.3) Age-related macular degeneration — the photosensitive cells in the macula malfunction and over time cease to work (H35.3) Macular degeneration — loss of central vision, due to macular degeneration Bull's Eye Maculopathy (H35.3) Epiretinal membrane — a transparent layer forms and tightens over the retina (H35.4) Peripheral retinal ...
Visual or vision impairment (VI or VIP) is the partial or total inability of visual perception.In the absence of treatment such as corrective eyewear, assistive devices, and medical treatment, visual impairment may cause the individual difficulties with normal daily tasks, including reading and walking. [6]
Fundus of geographic atrophy. Geographic atrophy (GA), also known as atrophic age-related macular degeneration (AMD) or advanced dry AMD, is an advanced form of age-related macular degeneration that can result in the progressive and irreversible loss of retinal tissue (photoreceptors, retinal pigment epithelium, choriocapillaris) which can lead to a loss of central vision over time.
Chronic progressive external ophthalmoplegia (CPEO) is a type of eye disorder characterized by slowly progressive inability to move the eyes and eyebrows. [1] It is often the only feature of mitochondrial disease , in which case the term CPEO may be given as the diagnosis .
LHON is an eye disorder characterized by progressive loss of central vision due to degeneration of the optic nerves and retina (apparently affecting between 1 in 30,000 and 1 in 50,000 people [5]); visual loss typically begins in young adulthood [2] Leigh syndrome, subacute necrotizing encephalomyelopathy [6]