protan

protan 

Person who has either protanopia or protanomaly.
References in periodicals archive ?
b/ Differentiate between protan and deutan type defects
Domiano) Protan, and proudly lived in Worcester all her life.
Protan jelly coated mackerel made history by being the first frozen food product used by the Horn & Hardart restaurant chain in its world-famous Automats.
The thumb is used with the same function in the sign for a large book like the epistolary (10)--"mon wecge his hand and wyrce crystelmael on his heafde foran mid his puman" ['one moves one's hand and makes the sign of the cross on the front of one's head with one's thumb']--while the little finger is an important component for the signs applied to smaller books like the hymnal (33)--"mon waecge bradlinga his hand and raere up his litlan finger" ['one moves one's hand sideways and holds up one's little finger']--and the small martyrology (45): "wege pu pine hand and lege pine scyte finger ofer pine protan and raer up pinne litlan finger" ['move your hand and lay your index finger over your throat, and raise your little finger'].
The Nagel anomaloscope was recommended to confirm the identification of protan deficiency if required.
are exclusive sales agents for Norwegian mackerel frozen in Protan jelly, which is also being sold in many A&P super markets, and they are also acting as leasing agent for the Protan jelly freezing process for firms in this country.
Protan, a South American distributor of Industrial Nanotech products, states the testing will continue over the next 20 to 30 days at undisclosed locations off the tip of South America in the Argentinean Sea.
Two tests are needed; one test identifies redgreen deficiency and classifies protan and deutan deficiency, while the second test is used to estimate the severity and identify significant tritan deficiency.
Protan deficiency is characterised by a shift in relative luminous efficiency from 555nm to about 535nm and by reduced sensitivity to long wavelengths (shortening of the red end of the spectrum).
d Diagnostic plates can distinguish between protan defects and deutan defects
The test identifies protan, deutan and tritan defects (the last of which cannot be detected by the Ishihara test), and has the added advantage of allowing the parent to understand what colour confusions the child experiences.