Photomicrograph of transverse section of the cornea of Rousttus egyptiacus (a, b) Oryctolagus cunculus (c, d), Rattus norvegrious (e, f). (a, c, e H and E X100). (b, d, f H and E X400). 

Light micrograph of transverse section of the cornea of Rousttus egyptiacus (a, b) Oryctolagus cunculus (c, d), Rattus norvegrious (e, f). Showing PAS reaction in the corneal layers. (a, c, e): (PAS X100), (b, d, f): higher magnification (PAS X400). 

SEM micrograph of the corneal epithelial cell of three mammalian species a: Rousttus egyptiacus b: Oryctolagus cunculus; c: Rattus norvegrious. (Scale bar, 10μm). 

SEM micrograph of the corneal epithelial cell of three mammalian species showing. a: Rousttus egyptiacus; b: Oryctolagus cunculus; c: Rattus norvegrious. Note: blebs (Bb) and microprojection (MPJ) (Scale bar, 20μm).