Which of the following statements regarding corneal transplantation is true?

Ans. (c) Specular microscopy analysis is used to assess endothelial cell countRef: Textbook of Ophthalmology by Sunita Agarwal (Jaypee) Is'* Corneoscleral button needs to be preserved, though whole eye can also be preserved.* Age is not a criteria for donor eye.* HLA matching is not mandatory as the cornea is immunologicaly previliged.