Trial lens set is a kind of ophthalmology calculating apparatus, used by hospital ophthalmology and glasses shop to exam people's dioptric situation: hyperopia, myopia, presbyopia, astig- matism strabismus or color blindness.
Trial frame that holds trial lenses used during retinoscopy or refraction tests on the eye.
Reunión virtual con el Dr. Julian Triviño (Colombia)
Friday, Nov. 12 - Monday, Nov. 15 Ernest N. Morial Convention Center, New Orleans, LA.