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This is a device used to quantitatively examine corneal irregularities and astigmatism. There is a telescope on exami......

This looks like it came off of Captain Nemo’s Nautilus! This appears to be an optometer manufactured in the USA......

An optometer was used to measure a person’s refractive error (strength of eye glasses needed). This was determ......

This is a device used by mail order glasses sales companies to determine what power of glasses to order.

This is a device used to check a person’s refractive error.

This is a device used to check the anterior chamber angle of the eye in glaucoma patients.Koeppe first invented the e......

This used to be sent through the mail to help people figure out the power of reading glasses they would require. This......

This is from about 1920. The instructions in the box describe normal intra-ocular pressure as being between 20 to 40 ......

This is a device used to qualitatively examine corneal irregularities and astigmatism. There is a small convex lens o......

In 1857 the physiologist, Aubert, in collaboration with Förster, designed this instrument. It can examine the visua......

These are the test objects used with the perimeter to check a person’s peripheral vision in diseases like glauc......

This would be sold to a patient to “exercise” his eyes at home. It is very much the same as the stereosco......

Nickel-plated over brass, it originally cost $0.75. Patent applied for around 1875.This was used to help determine th......

This was used to check the power change needed over a person’s current glasses.

This is from about 1967. This is a form of applanation tonometer where the cornea is applanated and the wet spot on t......

This arc-perimeter was invented in 1888 as a design of Schweiger. The arc’s position is shown on a circular sca......

Swedish physician, Frithiof Holmgren, developed a means to test color vision and tested the entire staff of the Swedi......

Very rare.
In the second half of the 1800′s several spectacular train wrecks led to the discovery that so......

This is a pupilometer from around 1900. The cross hairs are centered over the subject’s pupils and the “P......

An optometer was used to measure a person’s refractive error (strength of eye glasses needed). This was determ......