Nursing 115- Final Exam Questions with Correct Answers.

Cataracts Correct Answer clouding and blurring of lens opacity makes it difficult to see retina Visual acuity restricted No pain or eye redness Cataracts Early S&S Correct Answer o Early symptom- slightly blurred vision , decreased color perception o No pain , redness associated w/ age related developments Progression not symmetrical Later S&S Correct Answer o Later symptom- blurred / double vision , difficulty w/ ADLs , blindness w/o intervention o Red relex may become absent o Pupil becomes bluish white o Vision loss is gradual; not noticed until reading / driving changed Safety becomes priority o Recognize when ADLs cannot be performed - surgery necessary ( covered by Medicaid at 65) causes of cataracts Correct Answer Aging Diabetes UV exposure Glaucoma Eye infections o Trauma o Systemic diseases ( d.m. , hypothyroidism) o Cortocosteriods , chlorpromazine, beta blockers , miotic drugs o Intraocular disease Family history Pre-surgery (cataracts) Correct Answer o Drugs given before surgery to dilate pupils/ vasoconstriction o Induce paralysis / prevent lens movement o Anesthetic injected into muscle cone behind eye Peri-surgery ( cataracts) Correct Answer o Phacoemulsification= probe inserted and sound waves break lens then suctioned o IOL inserted to focus light rays in retina Eye Drop Teaching Correct Answer o Use different tubes for each eye ( label )