BIOL 212 Lecture Notes - Lecture 14: Nerve Injury, Eyelid, Eyelash
31 Jul 2020
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14 - the special senses (eyes and ears) v. Bacterial infection of an eyelash follicle or sebaceous gland. Originating with redness, swelling, and mild tenderness in the margin of an eyelash. Results in blurred vision due to light rays focused behind the retina because the eyeball is shorter than normal. Resulting as a postoperative complication or from a blunt eye injury. Corneal inflammation caused by a microorganism, trauma to eye, break in sensory innervation of cornea, hypersensitivity reaction , or tearing defect. May be due to dry eyes or ineffective eyelid closure. Progressive deterioration of retinal cells in macula. Common cause of visual deficiency in adults over 65 years of age. Refractive error in which the lens of the eye cannot focus on an image accurately. Resulting in blurred distant vision due to light rays focused in from of the retina because the eyeball is longer than normal.
