Mindblown: a blog about philosophy.

A pigment formed in the retina of the eye by the action of light on rhodopsin. A natural pigment found in the retina that turns yellow when exposed to light. It is a protein closely associated with vitamin A. This pigment is also known as erythropsin or rhodopsin.  

An area in the temporal lobe of the cerebral cortex where visual stimuli are interpreted.  

A dysfunction of the eyes, optic nerve, or perceptual center of the brain.  

The act of distinguishing one visual stimulus from another.  

A device for assessing depth perception in young organisms consists of a glass surface that extends over an apparently deep side and an apparently shallow side.  

Sharpness of vision, most often determined by use of the Snellen chart. The ability to distinguish details and shapes. Measurement of visual acuity is part of a standard eye examination. Sharpness of vision. How well one sees things depends on how well they are illuminated and upon such factors as practice and motivation, but the…

An organ of the body. Any internal organ enclosed within a cavity such as the thorax or abdomen. A sizable internal organ located within one of the body cavities; it is the singular form of “viscera.” A substantial organ located within one of the body’s cavities, representing the singular form of viscera.  

The temperament originally assumed to be associated with an endomorphic body type.  

An endomorphic body type.  

The portion of the pleura covering the lungs. A membrane attached to the surface of a lung. The pleura that covers the lungs and enters into and lines the interlobar fissures. It is loose at the base and at the sternal and vertebral borders to allow for lung expansion.