left, right
amber, blue, brown, dark, golden, green, grey/gray, hazel, pale, etc.
big, enormous, huge, large, wide
She just looked at me with those big blue eyes of hers.
His eyes were wide with horror.

narrow
close-set, wide-set
deep, deep-set, heavy-lidded, hollow, hooded, sunken
beady, piggy
baggy, puffy, swollen
bleary, bloodshot, exhausted, red, red-rimmed, sleepy, tired, weary
Her bleary eyes showed that she hadn't slept.

bright, brilliant, glowing, luminous, lustrous, sparkling, starry, twinkling
clear, limpid, liquid
soft, warm
cloudy, misty, moist, rheumy, tear-filled, tearful, teary (esp. AmE), watery
dry
sightless, unseeing
half-closed, narrowed
unblinking
dazed, unfocused
mad, staring, wild
angry, cruel, fierce
anxious
greedy, hungry
The dog's hungry eyes were on my sandwich.

curious, prying
He drew the curtains to make sure no prying eyes saw what he was doing.

intelligent, keen, sharp, shrewd
penetrating, piercing
intense
cold, dull, expressionless, glassy, glazed, lifeless, steely, vacant
downcast, sad, solemn, soulful

open
close, shut
lift, raise
lower
avert
She averted her eyes from his face.

cast, turn
I cast my eyes around the room but couldn't see any familiar faces.
He turned his eyes to the door when he heard the handle turning.

roll
She rolled her eyes in disgust.

blink
narrow, screw up, squeeze shut
He screwed up his eyes against the glare of the sun.
Tina squeezed her eyes shut and bit her lip.

widen
focus
strain
I didn't want to strain my eyes to read, so I turned on the light.

protect
Skiers wear goggles to protect their eyes from the sun.

shade, shield
He held up the newspaper to shield his eyes from the sun.

cover
test
gouge
She reached up and tried to gouge her attacker's eyes.

rub, wipe
catch
A movement in the reeds caught my eye (= attracted my attention).

look sb in, meet
She looked her father straight in the eye and answered his question truthfully.
He seemed unwilling to meet my eyes.

dilate, fly open, grow wide, open, round, shoot open, snap open, widen
Her eyes dilated with horror at what she had done.
Her eyes flew open in surprise.
His eyes rounded in mock amazement.

close, shut
flutter open, flutter shut
stream, water
My eyes stream when I chop onions.

hold sth
His eyes held a mischievous gleam.

be alight with sth, blaze, brighten, flare, flash, gleam, glint, glisten, glitter, glow, light up, shine, smoulder/smolder, spark, sparkle, twinkle
She laughed, her eyes alight with excitement.
His eyes blazed with menace.

mirror sth, reflect sth
His eyes reflected his anguish.

blur, brim with tears, cloud, fill with tears, mist, well, well up
darken, dim, dull, glaze, glaze over
Her eyes glazed over when I said I worked in dictionaries.

harden, soften
His eyes hardened as he remembered how they had laughed at him.

narrow, sharpen
burn, hurt, prick, prickle, smart, sting
Her eyes prickled with unshed tears.

be drawn to sb/sth, follow sb/sth, turn to sb/sth
His eyes were drawn to a bundle of papers in the corner.
My eyes followed his every move.

fall on sb/sth, land on sb/sth, settle on sb/sth
catch sth
Her eye caught mine.

gaze at sb/sth, stare at sb/sth, watch sb/sth
fasten on sb/sth, fix on sb/sth, focus on sb/sth, lock on sb/sth
She tried to sit up, her eyes fixed on Jean's face.

be fixed on sb/sth, be glued to sb/sth, be intent on sb/sth, be riveted on/to sb/sth, be trained on sb/sth
linger on sb/sth, rest on sb/sth
not leave sb/sth
His eyes never left mine.

look at sb/sth, peer at sb/sth, regard sb/sth
glare at sb/sth
lock, lock together, meet
Their eyes locked together in a battle of wills.

dart, flick, flicker, flit, glance, go, leap, move, run, shift, shoot, travel
His eyes darted from face to face.

roll, swivel
She tried the door, her eyes rolling in panic.

dance
Her eyes danced with amusement.

roam, rove
He let his eyes roam around the scene.

drift, slide, slip, stray, wander
His eyes drifted over to Helen's chair.

probe sth, rake sth, scan sth, scour sth, search sth, sweep sth
His eyes scanned the room as he entered.

drop, fall, lower
Her eyes dropped to her lap as she answered.

lift
bore into sb, pierce sb
She could feel the old lady's eyes bore into her.

accustom to sth, adjust to sth, become accustomed to sth, grow accustomed to sth
As my eyes accustomed to the darkness, I could make out a shape by the window.

blink
twitch
crinkle, crinkle up, squint, wrinkle
His eyes crinkled up at the corners as he smiled.
Her eyes squinted against the brightness.

strain
My eyes strained to make anything out in the darkness.

slant
bulge, pop
His eyes bulged in fury.

betray sb/sth, give sb/sth away, show sth
His narrow eyes betrayed his impatience.
She responded softly, her eyes showing concern.

tell (sb) sth
Her eyes told me nothing.

question (sb)
laugh, smile
plead
mock sb
appraise sb/sth, examine sb/sth, scrutinize sb/sth, study sb/sth, survey sb/sth
take sth in
My eyes took in every detail as I entered the house for the first time in twenty years.

muscles, socket
contact
I knew he was lying because he wouldn't make eye contact with me.

movement
Rapid eye movements frequently accompany dreaming.

doctor, specialist, surgeon
hospital
operation, surgery, treatment
exam, examination, test
damage, defect, disease, disorder, infection, injury, strain
drops
The doctor gave me eye drops to put in three times a day.

protection
It is essential to wear some form of eye protection.

liner (usually eyeliner), make-up, shadow (usually eyeshadow)
colour/color
level
Your computer screen should be at eye level.

candy (informal,figurative)
The series has plenty of eye candy (= people that are pleasant to look at).

in your eyes
There were tears in his eyes as he spoke.
The sun was in my eyes and I couldn't see the road.

under sb's eye
I want you under my eye (= where I can see you).

as far as the eye can see
The tide was out, leaving nothing but mud as far as the eye could see.

before your very eyes
Before our very eyes, the bird snatched the fish from the plate and flew off.

can't keep your eyes off sb/sth, can't take your eyes off sb/sth
He couldn't keep his eyes off the girl sitting opposite him.

roll your eyes heavenward (= to show that you are annoyed or impatient)
She rolled her eyes heavenward when she saw what her husband was wearing.

a gleam in sb's eye, a glint in sb's eye, a twinkle in sb's eye
He looked at me with a twinkle in his eye.

have an eye on sb/sth (= be watching)
The store detective had his eye on a group of boys who were acting suspiciously.

keep an eye on sb/sth (= watch)
Could you keep an eye on my bag for a moment?

keep an eye out for sb/sth, keep your eyes open for sb/sth (= watch out for)
I walked around the store, keeping an eye out for bargains.

lay eyes on/upon sb/sth, set eyes on/upon sb/sth
Tom fell in love the moment he laid eyes on her.
From the moment he set eyes on her he knew that he wanted to marry her.

out of the corner of your eye
Out of the corner of her eye, she saw Harry start forward.

tears fill sb's eyes
to/with the naked eye, to/with the unaided eye
The planet should be visible to the naked eye (= without a telescope).

under sb's watchful eye
A boy was playing outside under the watchful eye of his mother.

with your own eyes
If I hadn't seen his jump with my own eyes, I would never have believed it possible.

eagle, good, keen, quick, sharp
The children's eagle eyes spotted an ice-cream seller half a mile away.
A surgeon needs a good eye and a steady hand.

eye for
Her skill at working with wood is coupled to a keen eye for design.

careful, cautious, close, suspicious, wary, watchful
The government is keeping a close eye on the economy.

critical, stern
jaundiced
fresh, new
He saw his students with new eyes now that he had a child of his own.

kindly, sympathetic
discerning
experienced, expert, practised/practiced
To an expert eye, the painting is an obvious fake.

inexperienced, untrained
artistic

in sb/sth's eye
She can do no wrong in his eyes.
In the eyes of the law his knife was an offensive weapon.

through sb's eyes
You need to look at your website through the user's eyes.

to sb's eye
To my eye, the windows seem out of proportion.

with a … eye
She viewed the findings with a critical eye.

with the eye of
He looked at the design with the eye of an engineer.

in your mind's eye (= your imagination)
He pictured the scene in his mind's eye.