ability
analyzing
astigmatism
autorefractometer
client
clinic
corrective
device
diagnosis
diagnostic
doctor
elderly
elderly man
equipment
examination
examining
eye
eyes
facilitate
hospital
inspect
instrument
laboratories
lens
man
measure
measurement
medic
medical
medicine
modern
oculist
offered
office
ophthalmic
ophthalmologic
ophthalmology
optical
optician office
optometrist
optometry
refract
refraction
screen
suitable
symptom
technology
test
tools
vision