NEUROLOGY
OCULAR PALSIES
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
GLAUCOMA
|
|
|
MYOPIA
|
|
|
PRESBYOPIA
|
|
|
FARSIGHTEDNESS
|
Detailed explanation-1: -Refractive error is measured in dioptres (D), and myopia is designated with a minus sign. Mild myopia is 0 D to −1.5 D, moderate −1.5 D to −6.0 D, and high myopia −6.0 D or more.
Detailed explanation-2: -(i) In an eye suffering from myopia, the eyeball is elongated compared to that of a normal eye. Due to this, the image is formed in front of the retina instead of on the retina. (ii) In an eye suffering from hypermetropia, the eyeball is too small in length compared to that of a normal eye.
Detailed explanation-3: -Nearsightedness (myopia) is a common vision condition in which near objects appear clear, but objects farther away look blurry. It occurs when the shape of the eye-or the shape of certain parts of the eye-causes light rays to bend (refract) inaccurately.