Interpreting the defocus equivalent index.
Carkeet
A
A
D003315:Cornea / Q000473:pathology* / Q000601:surgery; D006801:Humans; D013508:Ophthalmologic Surgical Procedures / Q000592:standards*; D012030:Refractive Errors / Q000175:diagnosis*; D054140:Refractive Surgical Procedures