Cvp Basic Vision Exam Combined Essential Study Questions And Answers

CVP BASIC VISION EXAM COMBINED
ESSENTIAL STUDY QUESTIONS AND ANSWERS

◉ Low vision impairment.
Answer: Best corrected visual acuity <20/40 in better seeing eye


◉ Blindness.
Answer: Best corrected visual acuity =20/200 in better seeing eye


◉ Presbyopia.
Answer: Difficulty focusing on near objects


◉ Cataracts.
Answer: Central vision loss
Lens of eye becomes more opaque, reduction of light going to retina
Reduced acuity, ability to distinguish colors, contrast sensitivity
Increased glare sensitivity, blurry vision, distortion


◉ Dry age-related macular degeneration.
Answer: Most common type of AMD

, Deposits of material within macula, causing possible atrophy of
retina and gradual loss of central vision


◉ Wet age-related macular degeneration.
Answer: Proliferation of abnormal blood vessels that leak blood and
fluid into macula causing central vision loss
Progresses more quickly than dry AMD


◉ Primary open-angle glaucoma.
Answer: Peripheral vision loss
Fluid passes too slowly through spongy meshwork, builds up, rising
pressure in eye to level that may damage optic nerve


◉ Angle closure glaucoma.
Answer: Emergency, acute condition
Aqueous fluid becomes blocked, quickly rasing intraocular pressure


◉ Diabetic retinopathy.
Answer: Fluctuating vision loss
May include: blurry vision, reduced contrast sensivitity, reduced
color discrimination, patchy spots of VF loss, total blindness


◉ Melbourne Low Vision ADL Index.