Abstract
Deep corneal stromal diseases such as corneal dystrophy, keratoconus, corneal abscesses, keratomalacia, and iris prolapse are relatively common in humans and animals. Corneal transplantation may be useful to manage these abnormalities with penetrating keratoplasty (PK) one of the most widely used techniques for this purpose. Some stromal keratopathies have no involvement of the endotheliu…