scopo-, scop-, scept-, skept-, -scope-, -scopy, -scopia, -scopic, -scopist

A hand-held reflecting stereoscope that can measure convergence and divergence, measure or train binocular vision, or stimulate vision in an amblyopic eye.

Too small to be seen through a microscope; unable to be seen even with a microscope.

An instrument used to detect and to measure the direction of slow-moving air currents or wind directions.

An instrument that magnifies the capillary circulation for observing blood circulation of the lips, permitting direct observation.

Direct visual inspection of blood vessels of the extremities, a light being held behind the part.

1. A fiberoptic catheter for viewing the inside of a blood vessel.
2. A microscope for observing capillary blood vessels.

The visualization of small vessels by an angioscope.

1. An instrument used to diagnose abnormalities of color perception in which one-half of a field of color is matched by mixing two other colors.
2. The instrument used in testing for anomalies of color vision by having the subject match mixed spectral lines.

1. An instrument for visual examination of the anal canal.
2. A speculum (an instrument that exposes the interior passage or cavity of the body) for examining the anus and lover rectum.

Examination of the anus and lower rectum with an anoscope.

The endoscopic examination of the anus, rectum, and sigmoid colon.

1. The judgment of the human body form by visual inspection.
2. The inspection of the physical features of a person with the purpose of judging his/her mental and moral characteristics.
3. The determination of characteristics or personality from the human body shape and facial features; a technique used in earlier studies but now discredited.

People who believe everything they hear.