Show:
anatomy
physiology
conditions
misc
terms
100
transparent flexible structure located behind the iris which helps focus light on the retina
What is crystalline lens
100
presbyopia starts about at this age
What is 40
100
this causes yellowing of the lens
What is cataract
100
shape of lens
What is biconvex
100
missing a lens
What is aphakia
200
the posterior part of the lens is nourished by this
What is vitreous
200
our ability to accommodate ____ as we age
What is decreases
200
when we replace the patient's old lens with an artificial one, we say they are a ____phake
What is pseudophake
200
the lens can be compared to this type of food
What is peanut M +M, onion
200
central part of the lens
What is nucleus
300
3 layers of the lens from outer to inner
What is capsule, cortex, nucleus
300
The lens takes this shape when viewing things at near
What is bulges at the back
300
not wearing UV protective glasses in a tanning bed will cause this
What is premature cataracts
300
thickness of the lens
What is 4-5 mm
300
congenital cataract means the pt aquired it ____
What is at birth
400
when we remove a patient's old lens, we replace it with an___
What is IOL
400
the anterior part of the lens is nourished by this
What is aqueous
400
When a lens loses its elasticity and no longer flexes we say we have this condition
What is presbyopia
400
During cataract surgery we leave this part of the lens intact
What is posterior caspule
400
If an eye is injured and a cataract forms as a result we call this a ____ cataract
What is traumatic
500
the lens is suspended by threads that attach to which part of the anatomy
What is ciliary body/muscle
500
we can best accomodate at this age
What is 10
500
crystalline lens aids in approximately this much focusing power for the eye
What is 18D
500
biconvex means this many curves
What is 2
500
IOL stands for this
What is intraocular implant