optometer

As nouns the difference between terms and optometer

is that terms is while optometer is an instrument for measuring the focus of the lens of the eye.

Optometrist is a related term of optometer.

As nouns the difference between optometrist and optometer

is that optometrist is optometrist while optometer is an instrument for measuring the focus of the lens of the eye.

As a proper noun eye

is (uk|colloquial) the comedic magazine.

As a noun optometer is

an instrument for measuring the focus of the lens of the eye.

As nouns the difference between lens and optometer

is that lens is an object, usually made of glass, that focuses or defocuses the light that passes through it while optometer is an instrument for measuring the focus of the lens of the eye.

As a verb lens

is to film, shoot.

As nouns the difference between focus and optometer

is that focus is (countable|optics) a point at which reflected or refracted rays of light converge while optometer is an instrument for measuring the focus of the lens of the eye.

As a verb focus

is to cause (rays of light, etc) to converge at a single point.

As nouns the difference between instrument and optometer

is that instrument is a device used to produce music while optometer is an instrument for measuring the focus of the lens of the eye.

As a verb instrument

is to apply measuring devices.