HSC 3537 Lecture Notes - Lecture 17: Vitreous Body, Fovea Centralis, Optic Disc
Document Summary
Fundus: anterior chamber, aqueous humor, vitreous chamber, vitreous humor, retina, optic nerve, optic disc, macula. Conditions ambly/o dipl/o glauc/o mi/o mydr/o nyct/o phot/o presby/o scot/o xer/o. Tropia dull, dim double gray smaller, less widen, enlarge night light old age darkness dry vision vision to turn. Errors of refraction: astigmatism: defective curvature of the cornea or lens of the eye, hyperopia: farsightedness, myopia: nearsightedness, presbyopia: impairment of vision due to old age reducing lens accommodation. Chalazion: a small, hard, cystic mass on the eyelid; formed as a result of chronic inflammation of sebaceous gland along margin of eyelid. Diabetic retinopathy: retinal effects caused by diabetes mellitus include: microaneurysms, hemorrhages, dilation of retinal veins, neovascularization. Glaucoma: increased intraocular pressure damages the retina and optic nerve. Hordeolum (stye): staph infection of a sebaceous gland in the eyelid. Macular degeneration: progressive damage to the macular of the retina. Nystagmus: repetitive rhythmic movements of one or both eyes.
