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Sclera

Test your knowledge of the sclera from Dr. Remington's Ocular anatomy and physiology 3rd edition
Quiz by OptStudent
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Last updated: November 8, 2012
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First submittedNovember 8, 2012
Times taken9
Average score41.7%
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Hint
Answer
This layer is immeadiately outer to the sclera.
Episclera
The sclera has fewer Glycosaminoglycans (GAGs) leading to lower what compared to the corea?
Hydration
This is the weakest area in the sclera. (Hint: it is found very near the optic nerve)
Lamina cribrosa
The middle apertures are canals through the sclera that carry what?
Vortex veins
The posterior sclera is innervated by which nerves?
Short ciliary
The posterior termination of the limbus is a line perpindicular to the globe and passing through the posterior edge of what?
Scleral spur
Hint
Answer
Inner to the conjunctival stroma lies this capsule.
Tenons capsule
Radial projections of fibrovascular tissue in spokelike fashion around the corneal periphery is called what?
Palisades of Vogt
The limbal epithelial crypts contain cells that replace damaged basal cells in the cornea. What kind of cells are these?
Stem cells
A yellowing of the sclera can indicate which two systemic diseases?
Hyperlipidemia
 
Jaundice
Blue sclera could mean the sclera is thin, but it could be normal in this population (other than people with nevus of ota).
Neonates
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