Wk 3 Cataracts Flashcards
Cataract surgery is the most common surgical procedure for patients who are…
over 65 years old
What does cataract vision look like?
Very fuzzy
What anatomical structure is affected by cataracts?
Lens
Where is the lens in the eye?
Sits behind the pupil
What does accommodation mean?
Pupils constrict when shifting from far away focus to close up focus
What two structures help the eye to accommodate?
Lens along with the cornea
The lens __ __ in order to help focus an image
changes shape
What can happen to the lens with age?
Can become cloudy or stiff
What decreases as the lens becomes cloudy and stiff?
Visual acuity and accommodation
What causes glare with cataracts?
Light scatter caused by opacities
What is the initial treatment for cataracts?
Palliative measures:
Adjust glasses precription
Increase light for reading
Limit night driving
When palliative options for cataracts no longer work, what is the next step?
Surgery
What are two indications for cataract surgery?
Palliative measures no longer work
Increasing IOP
Increased IOP can lead to __ and __
Blindness and glaucoma
Why is cataract surgery indicated in diabetic patients?
Opacities can prevent IOP monitoring