This enzyme plays a pivotal role in the development of "sugar" cataracts.
What is aldose reductase?
100
Infectious particles of this RNA virus may be found up to 3 years after birth in congenital cataracts caused by this virus.
What is rubella virus?
100
These are the units of aspiration flow rate.
What are ml/min?
100
In 1949 this ophthalmologist, who was later knighted for his achievements, placed the first IOL in a patient.
Who is Harold Ridley?
100
This is the most common intraoperative complication of cataract surgery with a reported rate of 1.5 to 3.5%
Who is posterior capsule rupture?
200
This artery branches into capillaries to form the tunica vasculosa lentis.
What is the hyaloid artery.
200
This topical glaucoma medication has been reported to cause cataract formation in about 20% of patients within 5 years of use.
What is pilocarpine (anticholinesterase).
200
This type of phacoemulsification tip provides a greater surface area and thus greater holding force.
What is a beveled tip?
200
A toric IOL which is off axis by 5 degrees will reduce its effect on astigmatism correction by approximately this percent.
What is 15%?
200
This complication of cataract surgery characterized by anterior chamber cells, corneal edema, blurred vision and photophobia often presents within several hours after cataract surgery.
What is toxic anterior segment syndrome (TASS)?
300
This property of the lens, which decreases with age, results in a hyperopic shift in the refractive error with age.
What is the refractive index?
300
This autosomal recessive disorder typically causes "oil droplet" cataracts.
What is galactosemia?
300
This biopolymer used as a viscoelastic agent is present in many connective tissues as half life of about 1 day in aqueous.
What is sodium hylaronate?
300
This is the speed of sound through aqueous and vitreous.
What is 1532 m/sec?
300
Argon laser burns that appear white when applied to the surface of the iris are diagnostic for this postoperative surgical complication.
What is epithelial downgrowth?
400
The axial lens thickness increases with contraction of this muscle.
What is the ciliary muscle?
400
This autosomal dominant disease often produces cardiac conduction defects and is characterized by polychromatic iridescent crystals in the natural lens.
What is myotonic dystrophy?
400
This type of ophthalmic viscosurgical device (OVD) has a low molecular mass, low self-adherence and surface tension and is difficult to aspirate from the eye.
What is a dispersive OVD?
400
In the SRK formula for IOL calculations, this changes the calculated IOL power by a ratio of 2.5:1.
What is the axial length?
400
This intervention, widely used in Europe, has been shown to reduce the incidence of post-operative endophthalmitis by 5- to 10- fold.
What is intracameral antibiotic injection?
500
This tripeptide consisting of cysteine, glycine and glutamate acts indirectly as a major free radical scavenger in the lens.
What is glutathione?
500
Reddish brown pigment in the anterior cortex and anterior lens capsule that resembles a "sunflower" is characteristic of cataracts caused by this autosomal recessive disease.
What is Wilson's Disease (hepatolenticular degeneration), a disorder of copper metabolism.
500
This coaxial double-lumen manual irrigation and aspiration cannula was long used to remove cortical material in ECCE.
What is a Simcoe cannula?
500
Silicone oil in the vitreous cavity will cause this type of shift in the refractive error of the eye.
What is a hyperopic shift?
500
The percentage of patients who will have spontaneous resolution of cystoid macular edema which occurs following uncomplicated cataract surgery.