Usage patterns 視し 力りょく が 落お ちる for one's eyesight to decline
My eyesight has been declining as I get older.
視し 力りょく を 回かい 復ふく する to regain one's eyesight
I regained my eyesight through LASIK surgery.
視し 力りょく を 測はか る to test/measure someone's eyesight
I had my eyesight tested at the eye clinic.
視し 力りょく がいい ／ 悪わる い to have good/poor eyesight
My older brother has very good eyesight.
Kanji 視 inspection, regard as, see Related words 視力 is the formal, often medical term for one's visual acuity, while 目 is used colloquially in expressions like 目がいい to mean the same thing.
明 is a classical, literary term for eyesight used mainly in set phrases like 明を失う , whereas 視力 is the standard modern word for visual acuity.
視覚 is the general sense of sight or ability to see, while 視力 specifically means visual acuity, as in an eye test score.
Don't confuse with 視覚 and 視力 both relate to seeing, but 視覚 is the broad perceptual sense while 視力 is the measurable sharpness of that sense, so learners often use them interchangeably by mistake.
視力 means visual acuity, i.e. how sharply one can see, whereas 視界 means the area or extent one can see, so a person can have good 視力 but poor 視界 in fog.
視力 means visual acuity (how sharply one can see), while 視野 means the area or range one can see, so a person can have good 視力 but a narrow 視野 .
Word family· 9 eye chart; visual acuity chart
dynamic visual acuity; kinetic vision
corrected visual acuity; corrected eyesight
unaided vision; naked-eye acuity; uncorrected visual acuity
eye test; eyesight test
Show 4 more Show fewer vision impairment; visual impairment; vision damage
optometrist
visually impaired person; person with a visual impairment
vision correction surgery; refractive surgery
Etymology Compound of 視 (shi, 'to see') and 力 (ryoku, 'power, ability'). The kanji combination directly conveys 'seeing ability'.
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