Podcast
Questions and Answers
Determination of extent of peripheral visual field and thereby diagnosis of blindness in specific portions of retina, is called ______.
Determination of extent of peripheral visual field and thereby diagnosis of blindness in specific portions of retina, is called ______.
perimetry
Optic disc produces physiological ______ (blind spot) in 15 degrees lateral to central point of vision in perimetry chart.
Optic disc produces physiological ______ (blind spot) in 15 degrees lateral to central point of vision in perimetry chart.
scotoma
Binocular vision provides detection of ______ and three-dimensional appearance of object in front of eyes.
Binocular vision provides detection of ______ and three-dimensional appearance of object in front of eyes.
distance
Field of vision is ______ that is seen by an eye at a given instant.
Field of vision is ______ that is seen by an eye at a given instant.
Signup and view all the answers
Field of vision has ______ and temporal division.
Field of vision has ______ and temporal division.
Signup and view all the answers
Final visual image is formed in ______.
Final visual image is formed in ______.
Signup and view all the answers
The principle focal distance (Focal length) is the distance between the lens and the ______ point.
The principle focal distance (Focal length) is the distance between the lens and the ______ point.
Signup and view all the answers
Diopters are used to measure the refractive power of a lens in ______.
Diopters are used to measure the refractive power of a lens in ______.
Signup and view all the answers
The human eye has a refractive power of 6 m at ______.
The human eye has a refractive power of 6 m at ______.
Signup and view all the answers
The total refractive power of the eye is about 59 D: - Cornea = 40-45 D - Lens = 15-20 D. The optics of the eye resemble those of a ______.
The total refractive power of the eye is about 59 D: - Cornea = 40-45 D - Lens = 15-20 D. The optics of the eye resemble those of a ______.
Signup and view all the answers
The image that falls on the retina is real and inverted, as in a ______.
The image that falls on the retina is real and inverted, as in a ______.
Signup and view all the answers
Neural processing restores the upright appearance of the field of ______.
Neural processing restores the upright appearance of the field of ______.
Signup and view all the answers
The ______ light reflex helps adaptation to changes in light intensity.
The ______ light reflex helps adaptation to changes in light intensity.
Signup and view all the answers
When light is directed into one eye, the pupil of the other also ______.
When light is directed into one eye, the pupil of the other also ______.
Signup and view all the answers
The ______ reflex involves pupillary constriction, contraction of ciliary muscles and convergence of the eyeballs.
The ______ reflex involves pupillary constriction, contraction of ciliary muscles and convergence of the eyeballs.
Signup and view all the answers
Visual acuity is sharpest within the ______ region of the retina.
Visual acuity is sharpest within the ______ region of the retina.
Signup and view all the answers
The ______ chart is used to measure visual acuity.
The ______ chart is used to measure visual acuity.
Signup and view all the answers
______ vision is the degree to which details and contours of objects are perceived.
______ vision is the degree to which details and contours of objects are perceived.
Signup and view all the answers
