Set of interchangeable trial lenses for refraction tests in optometry. Used with a trial frame to assess visual acuity and correct vision.
Keywords
eyecare,
dioptre,
eyesight test,
optometry,
goggles,
opthalmology,
clinical,
diagnosis,
diagnostic,
determination,
exam,
equipment,
disease,
frame,
eyesight,
health,
eyeglass,
hospital,
laboratory,
lens,
measure,
measurement,
medicals,
medicine,
myopic,
ophrys,
opthalmology