CORNEAL AREAS UTILIZED IN OPHTHALMOMETRY.
D003261:Contact Lenses; D003315:Cornea; D004864:Equipment and Supplies; D005123:Eye; D006801:Humans; D009907:Optometry; D012029:Refraction, Ocular; D012030:Refractive Errors
CONTACT LENSES; CORNEA; EQUIPMENT AND SUPPLIES; OPTOMETRY; REFRACTION, OCULAR; REFRACTIVE ERRORS