Front | Back |
Astigmatism
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Defective curvature of the cornea or lens of the eye
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Hyperopia
Hypermetropia |
Farsightedness
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Myopia
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Nearsightedness
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Presbyopia
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Impairment of vision as a result of old age
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Cataract
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Clouding of the lens causing decreased vision
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Chalazion
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Small hard cystic mass (granuloma) on the eyelid
formed as a result of chronic inflammation of sebacous gland along the margin of the eyelid |
Diabetic retinopathy
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Retinal effects of diabetes mellitus;
include: microaneurysms, hemorrhages, dialation of retinal veins, neovascularization (new blood vessels form in the retina) |
Macular edema
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Fluid leaks from blood vessels into the retina and vision is blurred
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Exudates
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Fluid leaking fro the blood appear in the retina as yellow- white spots
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Glaucoma
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Increased introcular pressure results in damage to the retina and optic nerve with loss of vision
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Tonometry
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Instrument used to diagnose glaucoma
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Hordeolum
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Localized purulent inflammatory staphylococcal infection of a sebaceous gland in the eyelid
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Macular degeneration
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Progressive damage to the macula of the retina
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Nystagmus
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Repetitive rhythmic movements of one or both eyes
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Retinal detachment
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Two layers of the retina separate from each other
photopsia - bright flashes of light floaters - black spots scleral buckle - silicone is sutured to the sclera pneumatic retinopexy - gas bubble injected to put pressure on the area and force the retina to reattach |