deficiency in seeing certain colors to lack of or damage to photorec.
color blindness
reduc. sensitivity to red light
Protanopia
reduc. sensitivity to green light; most common type
Deuteranopia
reduc. sensitivity to blue light; extremely rare
Tritanopia
condition where cornea/lens is irregularly shaped causing blurred vision
Astigmatism
test to test how well you can see from a set distance
Visual acuity
compares air-conduction hearing thru air near ear/bone-conduction hearing thru vibrations
Rinne Test
determines whether any hearing damage is due to conductive/sensorineural hearing loss
Weber test
sound waves cant pass thru middle ear
hearing loss
auditory nerves/hair cells are damaged in inner ear
sensorineural hearing loss