Ocular Pharmacology — Flashcards

Flashcard 1: Uveal tissue consists of _____

Answer: iris, ciliary body, and choroid.

Flashcard 2: The cells of the RPE contain _____ melanosomes near the fovea

Answer: more

Flashcard 3: The _____ layer of the tear film provides oxygen and nutrients to the corneal epithelium.

Answer: Aqueous layer

Extra: The tear film consists of three layers: 1. **Lipid layer** (outer): Secreted by Meibomian glands; prevents evaporation and lubricates the eyelids. 2. **Aqueous layer** (middle): Secreted by Lacrimal glands; provides the bulk of tears, nutrients, and oxygen to the cornea. 3. **Mucin layer** (inner): Secreted by Goblet cells; converts the hydrophobic corneal surface to a hydrophilic one.

Flashcard 4: _____ refers to an abnormally eccentrically placed pupil.

Answer: Corectopia

Flashcard 5: The exposure of the retina to light causes _____polarization and a decreased release of neurotransmitters in rods and cones.

Answer: hyper

Flashcard 6: Which color vision test involves matching a central colored spot to one of four peripheral colored spots?

Answer: City University Test

Flashcard 7: lux is the unit for _____

Answer: illumination of light 

Extra: 

Flashcard 8: In anterior uveitis, aqueous **cells** exhibit Brownian movement and aqueous **flare** is based on the Tyndall phenomenon; both are demonstrated on _____.

Answer: slit lamp examination

Flashcard 9: Ability to percieve depth is known as grade _____ of binocular vision, also called stereopsis

Answer: III

Flashcard 10: Retinal vessels reach _____ ora at approximately 36 weeks of gestation.

Answer: nasal