NEW
Font size
WorksheetsEYES
Total questions: 15
Worksheet time: 8mins
Part of the eye that function to regulate the amount of light entering the eyes is ....
cornea
iris
pupil
lens
retina
An object will clearly visible to the eye if the image falls right into the ....
cornea
iris
pupil
lens
retina
The nearest point of an object that is still observable by maximally accomodating eyes is called ...
punctum remotum
punctum proximum
punctum minimum
punctum maximum
emetrop
A thin membrane protecting the inner part of the eyes from the outside materials is called ...
cornea
retina
iris
lens
pupil
Part of the eye that the functions to capture images formed by the eye lens is ....
cornea
optic nerve
retina
pupil
iris
The space behind the cornea, in between the cornea and the iris, filled with a thin watery liquid called ....
cillary muscle
liquid jelly
tears
aqueous humor
optic nerve
Myopia patiens can be helped by using eyeglasses made of .... lenses.
concave
round
cylinder
convex
flat
Presbyopia patient can be helped by using eyeglasses made of ... lenses.
concave
round
cylinder
double lens
convex
Hyperopia occurs due to ....
the image of the object falls in front of the retina
the image of the object falls behind the retina
the image of the object faals right in the retina
the image cannot be captured
the eyes accomodating power decreases
If the image falls in front of the retina when the eyes do not accomodate, the eyes said to be ....
myopia
hyperopia
emetrop
astigmatism
presbyopia
Part of the camera that has the same function as retina of the eye is ....
diaphragm
film layer
camera lens
the blitz lamp
tripod
The farthest point of an object that is still be seen clearly by our eyes without accommodation is called ....
myopia
punctum remotum
punctum proximum
punctum minimum
punctum maximum
The normal eyes (emetrop) have the near point at .... and far point at ....
infinty and 25 cm
25 cm and infinty
25 cm and 250 cm
intinity and infinity
50 cm and infinity
A myopia patient has a far point of 10 m. What is the lens power to help him seeing distant objects clearly as normal people do?
1 D
0.5 D
0.25 D
0.2 D
0.1 D
A hyperopia patient's near point is 100 cm. What is the lens power needed to help him seeing objects clearly from 20 cm distance?
5 D
4 D
3 D
2 D
1 D
