<prompt> True about anatomy of adult cornea a Horizontal diameter is 12 mmb Horizontal diameter is 10 mmc In megalocornea diameter is 12mmd In microcornea diameter 10mme Vertical diameter Horizontal diameterbadacab  <response>: Anterior and posterior surfaces have same horizontal transverse diameter 11.7 ;12 mm, while the vertical diameter of anterior surface 10.6 mm is about 1 mm less than the posterior surface 11.7 mm.In micro cornea diameter is 10 mm and in mega cornea diameter is 13 mm 