Noun:

डॉक्टर,

optometer's Usage Examples:

entered the language when the instrument for measuring vision was called an optometer, (before the terms phoropter or refractor were used).

numerous mechanical optometers, to speed up the process of bringing lenses before the patients" eyes.

optometer Davidson"s Optometer, 1880s, British.

Various patented or unpatented optometers were sold throughout.

the word light meter or photometer is used in place of radiometer or optometer, or it is often assumed the system was configured to see only visible.

Tafeln, 1863 – A new optometer: with 3 lithographs.

In the early 1970s, for example, Leibowitz"s lab developed the laser optometer and used it to advance our basic understanding of the eyes’ focusing behavior.

monocular optometer, which cannot, starts in the mid-1910s, with the introduction of the Ski-optometer by Nathan Shigon, and the Phoro-optometer by Henry.

Der Augenspiegel und das Optometer für practische Aerzte, 1852 – The ophthalmoscope and the optometer for physicians.

"Servo-controlled infrared optometer".