11 Questions
What is the refractive index of the cornea?
1.369
What is the diameter of the posterior surface of the cornea?
11.7 mm
What is the main function of the endothelium in the cornea?
To maintain transparency of the cornea through active pump mechanism
What is the percentage of the total eye refractive power contributed by the cornea?
2/3
What is the name of the layer of collagen fibrils in the cornea?
Substantia propria
Which nerve is responsible for the innervation of the cornea?
Ophthalmic division of the trigeminal nerve
What is the primary function of the cornea in the eye?
To serve as the main refractive medium
What is the source of nutrition for the avascular cornea?
Diffusion from tears, aqueous humor, and limbal capillaries
What type of nerve endings are found in the cornea?
Free pain nerve endings
What is the location of the Schwalbe line?
At the end of Descemet's membrane
What is the characteristic of the corneal stroma?
Elastic and acellular
Test your knowledge on the cornea module from Dr. Mahmoud Fathi Saleh's Ophthalmology lectures. This quiz covers corneal anatomy, histology, physiology, investigations, and disorders such as keratitis, corneal ectasias, and degenerations. Assess your understanding of the topics covered in lectures 8 and 9.
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