The transparency of the corneal stroma.
D000818:Animals; D002417:Cattle; D003094:Collagen / Q000378:metabolism; D003315:Cornea / Q000033:anatomy & histology* / Q000166:cytology; D003318:Corneal Opacity / Q000209:etiology; D007429:Intraocular Pressure; D055095:Optics and Photonics; D014961:X-Ray Diffraction
D003094:Collagen