Advertisements
Advertisements
प्रश्न
What is a Lachrymal gland?
उत्तर
The lachrymal gland is a secretory gland present in the top right part of the eye. Its secretion is called tears which lubricates the eye and is antiseptic in nature.
APPEARS IN
संबंधित प्रश्न
Differentiate between: Rods and cones
Draw a labelled sketch of the human eye.
The optical prescription for a pair of spectacles is :
Right eye : −3.50 D
Left eye : −4.00 D
Are these lenses thinner at the middle or at the edges?
Where is the image formed in a human eye?
What job does the pupil of the eye do?
What is the:
near point of a normal human eye?
An object is moved closer to an eye. What changes must take place in the eye in order to keep the image in sharp focus?
After testing the eyes of a child, the optician has prescribed the following lenses for his spectacles:
Left eye : + 2.00 D
Right eye : + 2.25 D
The child is suffering from the defect of vision called:
(a) short-sightedness
(b) long-sightedness
(c) cataract
(d) presbyopia
Mention if the following statement is true (T) or false (F) Give reason.
Sometimes medicines dropped into the eyes come into the nose and even throat
Name the following:
Short sightedness.
Choose the correct answer.
Rods are receptor of ______________
Vision defect that increases distance between the lens of the eye and retina of the eye is termed as myopia.
Write the function of the human eye and label parts of the figure given below.
The pigmented circular area seen in front of the eye:
______ of the eye is comparable to the film of a camera.
With reference to human eye, answer the following question.
What is aqueous humor?
State the functions of the following:
Ciliary muscles
An aperture that controls the passage of light into the eye is ______.
