eyesight
She suffers from a sight defect.
He has no sight in his left eye.他左眼失明。
We will know in a couple of days if the operation to restore her sight was successful.几天后我们就能知道她恢复视力的手术是否成功。
Doctors have restored his sight.医生们使他重见光明。
She lost her sight after a car accident.

SMART Vocabulary: related words and phrases

Eyesight, glasses & lenses
accommodative
afterimage
age-related macular degeneration
amaurosis
amblyopia
eyeglasses
glaucoma
lenticular
limbus
long-sighted
long-sightedness
macula
macula lutea
ocular
oculist
short-sighted
varifocals
wet macular degeneration
wraparounds
yellow spot

You can also find related words, phrases, and synonyms in the topics:

The senses in general

sightnoun (VIEW)

B2[ C or S or U ]
something that is in someone's view: 所见之物;景象
The flowers at the annual flower show were a beautiful sight.年度花卉展上的鲜花是一道美丽的风景。
keep sight ofYou should always keep sight of your bags (= have them where you can see them) while you're at the airport.在机场里，应该时刻留意自己的行李。
a real sightinformalHe was a real sight in his old clothes (= he looked messy or silly).你穿着这些旧衣服可真不像样！
at the sight ofThe child laughed at the sight of (= when she saw) the new toy.一看到玩具，孩子就笑了。
sight offormalThe lawyer requested sight of (= to see) the papers.律师要求看文件。
out of your sightI don't dare let the children out of my sight (= go where I cannot see them) at the park.在公园里，我不敢让孩子们走出我的视线。
out of sightThe police officer was hidden out of sight (= where he could not be seen) behind a tree.那名警官藏在树后隐蔽的地方。
into sightThe castle came into sight (= started to be able to be seen) as we went round a bend in the road.我们在路上拐了个弯，城堡就映入了眼帘。
within sight ofWe're looking for a house which is within sight of (= from which it is possible to see) the mountains.我们正在找一所能看到群山的房子。
in sightfigurativeAfter three years of campaigning, the end is finally in sight (= will happen soon) for Jon.经过3年的竞选，乔恩终于快看到结果了。
catch sight ofI caught sight of (= saw for a moment) my former teacher while I was out shopping today, but she turned a corner and I lost sight of (= could no longer see) her.今天我去买东西时看到了以前的老师，但她转过街角，就看不见了。
by sight"Do you know David Wilson?" "I haven't met him, but I know him by sight (= I recognize him, but do not know him)."“你认识戴维‧威尔逊吗？”“没有引见过，但我能认出他。”
the sight ofinformalShe hated/loathed the sight of (= hated) her former husband.她讨厌见到她的前夫。
can't bear/stand the sight ofinformalThey used to be very good friends, but now they can't bear/stand the sight of (= hate) each other.他们曾经是好朋友，但现在一看到对方就烦。
at first sightThe question seemed easy at first sight (= when they first saw it), but when the students tried to answer it, they discovered how difficult it was.乍一看，这个问题似乎很简单，但学生们试图回答时，才发现有多难。

Thesaurus: synonyms, antonyms, and examples

to see something
seeI can see for miles from up here.
noticeI noticed a crack in the ceiling.
perceiveBill perceived a tiny figure in the distance.
observeA teacher observed her climbing over the gate.
spotWe managed to spot a leopard.
catch sight ofWe looked for the bird and caught sight of it just as it flew off.
 the sights
B1
places of interest, especially to visitors: 名胜;景点
We spent a week in Rome looking at all the sights.我们在罗马玩儿了一个星期，参观了所有的名胜。
 sight unseen
without seeing something first: 在未见过的情况下
I never buy anything sight unseen.不亲眼看过实物我从来不会购买。
The sky was a perfect blue - not a cloud in sight.天空一片湛蓝——万里无云。
It was an affecting sight.那是令人动情的一幕。
I cringed at the sight of my dad dancing.看到爸爸跳舞我觉得很难为情。
The car decelerated at the sight of the police car.那辆汽车一见警车就慢了下来。
He faints at the sight of blood.他一见血就晕。

SMART Vocabulary: related words and phrases

Using the eyes
accommodate
accommodation
all eyes are on someone/somethingidiom
astigmatic
beholder
cast
corner
discern
fix
glare
have a butcher'sidiom
penetrating
re-see
re-sight
rest on someone/something
resurvey
rubbernecking
sighting
spot
tab

sightnoun (MUCH)

 a sightinformal
a lot; much: 许多，大量
a sight moreFood is a darn/damn sight more expensive than it used to be.食品比以前贵了很多。
UKHe's a sight better than he was yesterday.他比昨天好多了。
She's a damn sight funnier than most comedians, that's for sure.
The whole task would have been a damn sight easier if we'd been given proper instructions.
I mean it's not perfect but it's a darn sight better than it was before.

SMART Vocabulary: related words and phrases

Masses and large amounts of things
accumulation
any number of thingsidiom
armload
backlog
blood clot
flood
foam
hyper-concentration
inundation
lion
many
pile
stack
the lion's shareidiom
tsunami
wadge
wave after/upon waveidiom
wedge
welter
wodge

sightnoun (GUN PART)

[ Cusually plural ]
a part of a gun or other device through which you look to help you aim at something: 准星，瞄准器
Make sure you line up the sights before you fire the gun.射击前要确保瞄好准星。

SMART Vocabulary: related words and phrases

Parts of guns
banana clip
barrel
bore
bump stock
business end
butt
clip
gauge
hammer
holster
muffler
muzzle
plier
ramrod
safety catch
scope
silencer
spotting scope
trigger
turret

Idioms