ABO NOCE Basic Opticianry

Category - Ocular Anatomy, Physiology, and Pathology

Normally, the surface of the eye is hydrophobic. What does this word mean?
  1. A high pH
  2. A low pH
  3. Water friendly
  4. Repels water
Explanation
Answer: D - Repels water

Normally, the surface of the eye is hydrophobic; this means that it repels water. Mucin creates a layer over the corneal epithelium, which allows the tear layer to adhere to the eye.
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