Term
| Remnants of tunica vasculosa lentis |
|
Definition
|
|
Term
| Imprint deposition of melanocytes from pupillary border of the iris due to contusion |
|
Definition
|
|
Term
| 3 things that may cause Capsular Pigment Dusting |
|
Definition
Pigment dispersion syndrome
Pseudoexfoliation
Ocular trauma |
|
|
Term
| Embryonic remnant of hyaloid membrane on posterior lens surface |
|
Definition
|
|
Term
| Most common senile cataract |
|
Definition
|
|
Term
| Cortical cataracts have a propensity for which part of the lens |
|
Definition
| Inferior nasal area (possibly due to UV direction) |
|
|
Term
| Which type of cataract is most debilitating relative to size? |
|
Definition
|
|
Term
| Name 4 possible causes for Anterior Subcapsular Cataract |
|
Definition
high IOP
Wilson's disease
Miotic therapy
Amiodarone |
|
|
Term
| Most common pre-senile cause of posterior subcapsular cataracts |
|
Definition
|
|
Term
Myotonic dystrophy
Congenital hereditary retinal disease (like RP)
Irradiation
Persistent hyaloid remnants
Which kind of cataract may these cause? |
|
Definition
|
|
Term
| Congenital, Y-shaped opacities within the lens nucleus |
|
Definition
|
|
Term
| What is blue light test and what is it used to grade? |
|
Definition
used to grade nuclear sclerosis
45 degree optic section, with cobalt blue filter and max illumination
Density of cataract is graded on depth of beam penetration |
|
|
Term
| What is the most common chart used to test contrast sensitivity to grade cataracts |
|
Definition
|
|
Term
| 4 Classifications of Cataract Maturity |
|
Definition
Immature (Mild)
Moderate
Mature
Hypermature |
|
|
Term
| Describe a "mature" cataract |
|
Definition
cortex if totally opaque
deemed surgical
posterior pole views are difficult |
|
|
Term
| Define a hypermature cataract with totaly liquifaction of the cortex |
|
Definition
|
|
Term
Briefly describe how a Morgagnian cataract can lead to a
certain type of glaucoma |
|
Definition
Leads to phagolytic glaucoma
There is total liquifaction of the cortex and lens proteins leak through the capsule, these proteins then settle in the TM |
|
|
Term
| What do we mainly want to prevent in congenital/infantile cataracts |
|
Definition
|
|
Term
| 4 Correction options for congenital cataracts |
|
Definition
For aphakics-spectacles and contacts
Laser keratoplasty
IOLs |
|
|
Term
| VA that is criteria for referral for cataract surgery |
|
Definition
|
|
Term
Accommodative amplitude after cataract extraction
|
|
Definition
|
|
Term
| 3 Tests for Potential Acuity Measure |
|
Definition
Potential Acuity Meter
Super Pinhole
Laser Interferometry |
|
|
Term
| Dilated or no for potential acuity meter |
|
Definition
| Best performed with dilated pupils |
|
|
Term
| Which instrument uses laser light waves that pass through opacities to superimpose on retina, creating a grating pattern that can be changed |
|
Definition
|
|
Term
| Which tests are required before cataract surgery to determine IOL power |
|
Definition
|
|
Term
2 types of amblyopia that cataract patients are at risk for developing
|
|
Definition
|
|
