What is the medical term for night blindness?
Night Blindness (Nyctalopia)
Which term describes inflammation of the cornea?
Keratitis is an inflammation of the cornea — the clear, dome-shaped tissue on the front of your eye that covers the pupil and iris. Keratitis may or may not be associated with an infection.
Is color blindness one word?
colorblind adjective (EYESIGHT)
unable to see the difference between particular colors, especially green and red: I’m red-green colorblind. Color-blind women are relatively rare.
What is colour blindness in biology?
Color blindness can happen when one or more of the color cone cells are absent, not working, or detect a different color than normal. Severe color blindness occurs when all three cone cells are absent. Mild color blindness happens when all three cone cells are present but one cone cell does not work right.
What is colour blindness Class 12?
Additional information: Colour blindness is considered as recessive sex linked disease. Its gene is located on the X – chromosome. The colour – blind person cannot distinguish among red and green colours. Colour blindness is more usual in male than in females.
Which term describes blindness in either the right or left half of the visual field?
Homonymous hemianopsia is a condition in which a person sees only one side ― right or left ― of the visual world of each eye. The person may not be aware that the vision loss is happening in both eyes, not just one.
What term describes reattachment of a detached retina by using a laser?
If holes or tears in the retina are found before the retina detaches, the eye doctor can close the holes using a laser. This procedure is most often done in the health care provider’s office. If the retina has just started to detach, a procedure called pneumatic retinopexy may be done to repair it.
What is the term that describes the normal relationship between the refractive power of the eye and the shape of the eye?
emmetropia [em″-tro′pe-] proper coordination of the refractive system and the focal length of the eye so that the focused image falls exactly on the retina.