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Cyanopsia is most commonly reported in older adults after cataract surgery, where symptoms typically subside within a few days to weeks as the eyes adapt to the synthetic lens. In younger adults, cyanopsia is often caused by medications like sildenafil, with symptoms disappearing once the drug's effects wear off.
Redness of the sclera and conjunctiva, sometimes changing to a purple hue; Severe ocular pain, which may radiate to the temple or jaw. The pain is often described as deep or boring. Photophobia and tearing; Decrease in visual acuity, possibly leading to blindness; The pain of episcleritis is less severe than in scleritis. [4]
The sclera is involved in two-thirds of cases (causing an increased risk of glaucoma). It should not be confused with Mongolian spot, which is a birthmark caused by entrapment of melanocytes in the dermis but is located in the lumbosacral region. Women are nearly five times more likely to be affected than men, and it is rare among Caucasian ...
The blue tint is caused by the showing of the underlying uveal tract (choroid and retinal pigment epithelium). In those with Ehlers-Danlos syndrome, the sclera may be tinted blue due to the lack of proper connective tissue. [16] In very rare but severe cases of kidney failure and liver failure, the sclera may turn black. [citation needed]
Eye color outside of the iris may also be symptomatic of disease. Yellowing of the sclera (the "whites of the eyes") is associated with jaundice, [82] and may be symptomatic of liver diseases such as cirrhosis or hepatitis. [83] A blue coloration of the sclera may also be symptomatic of disease. [82]
Osteogenesis imperfecta (IPA: / ˌ ɒ s t i oʊ ˈ dʒ ɛ n ə s ɪ s ˌ ɪ m p ɜːr ˈ f ɛ k t ə /; [4] OI), colloquially known as brittle bone disease, is a group of genetic disorders that all result in bones that break easily.
The diffuse type of episcleritis may be less painful than the nodular type. Sometimes, small nodules are present within the episclera, which move slightly over the sclera with gentle pressure. [5] Discharge is absent with episcleritis, and vision is unaffected. [5] Patients with episcleritis experience far less photophobia than patients with ...
Choroidal nevus (plural: nevi) is a type of eye neoplasm that is classified under choroidal tumors as a type of benign (non-cancerous) melanocytic tumor. [1] A choroidal nevus can be described as an unambiguous pigmented blue or green-gray choroidal lesion, found at the front of the eye, around the iris, [2] or the rear end of the eye.