alert
asian
bad
book
bookshelf
college
difficult
dizzy
ebook
education
exam
exhausted
eyesight
eyestrain
failure
feeling
female
glasses
hard
knowledge
lady
learn
library
loss
optometrist
pile
problem
quiz
reading
school
serious
shcool holiday
sight
strain
stress
student
study
studying
teen
test
tired
tower
university
vacation
vision
woman
young