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There are many diseases known to cause ocular or visual changes. Diabetes , for example, is the leading cause of new cases of blindness in those aged 20–74, with ocular manifestations such as diabetic retinopathy and macular edema affecting up to 80% of those who have had the disease for 15 years or more.
Glaucoma is a group of eye diseases that lead to damage of the optic nerve, which transmits visual information from the eye to the brain. Glaucoma may cause vision loss if left untreated. It has been called the "silent thief of sight" because the loss of vision usually occurs slowly over a long period of time. [ 5]
8.7% global prevalence in 2020 [ 2] Macular degeneration, also known as age-related macular degeneration ( AMD or ARMD ), is a medical condition which may result in blurred or no vision in the center of the visual field. [ 1] Early on there are often no symptoms. [ 1] Over time, however, some people experience a gradual worsening of vision that ...
System: Eye and visual system: Significant diseases: Cataract, retinal disease (including diabetic retinopathy and other types of retinopathy), glaucoma, corneal disease, eyelid and orbital disorders, uveitis, strabismus and disorders of the ocular muscles, ocular neoplasms (malignancies, or cancers, and benign eye tumors), neuro-ophthalmologic disorders (including disorders of the optic nerve)
H15-H22 Disorders of sclera, cornea, iris and ciliary body. (H15.0) Scleritis — a painful inflammation of the sclera. (H16) Keratitis — inflammation of the cornea. (H16.0) Corneal ulcer / Corneal abrasion — loss of the surface epithelial layer of the eye's cornea. (H16.1) Snow blindness / Arc eye — a painful condition caused by exposure ...
Cataracts cause 51% of all cases of blindnessand 33% of visual impairmentworldwide. [3][9] Cataracts are most commonly due to agingbut may also occur due to traumaor radiation exposure, be present from birth, or occur following eye surgery for other problems. [1][4]Risk factors include diabetes, longstanding use of corticosteroidmedication ...
Genetic. Diagnostic method. Slit lamp. Treatment. None. Stargardt disease is the most common inherited single-gene retinal disease. [ 1] In terms of the first description of the disease, [ 2] it follows an autosomal recessive inheritance pattern, which has been later linked to bi-allelic ABCA4 gene variants (STGD1).
Retinopathy is any damage to the retina of the eyes, which may cause vision impairment. [ 1] Retinopathy often refers to retinal vascular disease, or damage to the retina caused by abnormal blood flow. [ 2] Age-related macular degeneration is technically included under the umbrella term retinopathy but is often discussed as a separate entity ...