Basic Sciences as Related to Eye — Flashcards

Flashcard 11: The _____ theory states that the regular arrangement of collagen fibrils is responsible for corneal transparency

Answer: Maurice's

Flashcard 12: Posteriorly, Cloquet s canal opens into a funnel-shaped region anterior to the optic disc, which is known as the _____.

Answer: area of Martegiani

Flashcard 13: 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.