Eye refractometer

An instrument for measuring the index of refraction of a liquid, gas, or solid. Refractometers in general use in meteorology operate in the microwave region and are based on the ...

refractometer

Jewelry; General jewelry

Apparatus used to measure the refractive indices of gems.

refractometer

Language; Dictionaries

A contrivance for exhibiting and measuring the refraction of light.

refractometer

Biology; Biochemistry; Molecular biology

An instrument which measures the bending (refraction) of light through a liquid. Used to figure out the refractive index of a sample.

ophthalmoscope

Eyewear; Optometry

An optical instrument used to examine the external and internal parts of the eye, particularly the media and the fundus.

pantoscopic angle

Eyewear; Optometry

1. Angle in the vertical plane between the optical axis of a spectacle lens and the visual axis of the eye in the primary position, usually taken to be the horizontal. 2. Angle ...

optical material

Eyewear; Optometry

Transparent material capable of being manufactured into optical components.

optical radiation hazard

Eyewear; Optometry

Possibility of damage to the retina by optical radiation.

optical centre

Eyewear; Optometry

For practical purposes, the intersection of the optical axis with the front surface a lens.

ophthalmoscope

Optometry; Optometry

An optical instrument used to examine the external and internal parts of the eye, particularly the media and the fundus.

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Industry/Domain: Psychology Category: Social psychology

Milgram experiment

A social psychology experiment, conducted by Yale University psychology professor Stanley Milgram from 1961 to 1963, to measure the degree to which a ...