眼 - eyeball

naked eye

ophthalmologist; eye specialist

nearsightedness; shortsightedness; myopia

glasses; eyeglasses; spectacles

presbyopia; age-related longsightedness; farsightedness

ophthalmology

(a) look; gaze

both eyes

main purpose; chief aim; focus

binoculars; field glasses

eye; eyeball

taking no notice (of); thinking nothing of; disregarding; not aware of; completely ignoring; being out of consideration; effectively not existing as an option