lensometry
pancake lens
capsulolenticular
ocular
Newtonian reflector
macro lens
optical instrument
eyepoint
retrofocus
Newtonian telescope
stop
capsulotome
projector
magnifier
field stop
posterior subcapsular cataract
Herschelian telescope
axicon
off-axis reflector
Obie
Barlow
crown lens
diaphragm
wall
opsiometer
phacoscope
catoptrics
simple eye
pebble lens
converging lens
ocellus
stemma
subretinal
convex lens
skiascope
stare
lens board
meniscus
portrait lens
glaring
collimate
unfog
underlight
lateroscope
retropalpebral
night glass
blindfold