astigmatism

bad

blind

blurred

buttons

challenge

chase

city

closeup

concentration

correction

danger

degeneration

descent

disabled

drugs

drunk

elevator

evening

eyes

fatigue

fright

frustration

glasses

help

helpless

illness

lenses

lifting

loss

medications

modern

movement

negative

ophthalmology

overwork

problems

shake

stroke

survival

technology

tired

unprotected

walker