Module 3 - Vision and Hearing
Questions and Answers 100%
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*Arcus senilis
*Eyes become dry
*Altered depth perception
*Decreased night vision
*Presbyopia (loss of accommodation)
*Increased sensitivity to glare
*Decreased orbital fat, eyes appear sunken
*Lens less elastic, yellow - ANSWER - Normal eye changes
Patients may feel depressed, socially isolated - ANSWER - Normal eye, hearing
changes
What is normal vision for older adults? - ANSWER - 20/40
*__= right eye
*__= left eye
*__= both eyes - ANSWER - OD, OS, OU
Deviation of eye caused by weakened muscles "lazy eye" - ANSWER - Strabismus
Double vision - ANSWER - Diplopia
Involuntary rhythmic movement of eye - ANSWER - Nystagmus
, *White, gray, and blue ring in the corneal margin
*Common in elderly, benign - ANSWER - Arcus senilia
*Non-exudative
*Caused by breakdown or thinning of macular tissue related to aging process -
ANSWER - Dry ARMD (age related macular degeneration)
*Exudative
*Results when abnormal blood vessels form and hemorrhage on the retina, causing
damage to macula - ANSWER - Wet ARMD (age related macular degeneration)
*Currently no treatments for dry form of ARMD.
*For wet form, laser therapy is sometimes an option to stop neovascularization. -
ANSWER - ARMD (age related macular degeneration)
Recession of the eyeball into the orbit - ANSWER - Enopthalmos
*Eversion (outward) of the eyelid
*Causes: loss of tone of skin, scarring, infection, palsy of facial nerve - ANSWER -
Ectropian
Inversion, or turning inward, of lower eyelid - ANSWER - Entropian
*Inflammation or infection of conjunctiva
*Causes: bacterial, viral, allergies, chemical irritation - ANSWER - Conjunctivitis
*Symptoms: pain, redness, edema, tearing
*Treatment: vasoconstrictors & corticosteroid eye drops for allergic etiology;
antibacterial for other types
***Treat based on the cause - ANSWER - Conjunctivitis
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