Organizer: Vigyan Setu Foundation Bridging Science & Society
About the Quiz
- Date : Thursday, 10 October 2024
- Free Participants
- Open to All
- Score fifty percent or more to receive an e-Certificate.
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World Sight Day 2024 is an International Day of Awareness, held annually on the second Thursday of October. This year, World Sight Day is Thursday, 10 October 2024.
World Sight Day is coordinated by the International Agency for the Prevention of the Blindness (IAPB).
World Sight Day is a reminder to you, to love your eyes. It is an invitation to think about the importance of your eye health and how you can protect it and keep it healthy now and long into the future.
100% Correct Answers Here
Which early American polymath invented bifocals?
*
1 point
George Washington
Thomas Jefferson
Abraham Lincoln
Benjamin Franklin
In 1825, British astronomer George Airy designed lenses to correct which visual problem?*
1 point
Macular degeneration
Appendicitis
Retinopathy
Astigmatism
The danger signals installed at the top of tall buildings are red in colour, because the red light is*
1 point
scattered the most by smoke or fog
absorbed the most by the smoke or fog
scattered the least by the smoke or fog
is moving fast in the air
The use of which metal in the 21st century has greatly improved glasses frames. *
1 point
Duralumin
Magnesium
Titanium
Cementite
The persistence of vision for human eye is*
1 point
1/6th of a second
1/10th of a second
1/16th of a second
1/60th of a second
The change in the focal length of human eye is caused due to*
1 point
Pupil
Ciliary muscles
Cornea
Iris
Condition in which image is formed behind the retina is called*
1 point
farsightedness
near-sightedness
image defect
blind spotting
The phenomenon of light responsible for the working of the human eye is*
1 point
reflection
power of accommodation
persistence of vision
refraction
Human eye acts like a *
1 point
endoscope
telescope
microscope
none of the above
The first eyeglasses were manufactured at the end of the 13th century in which country?*
1 point
France
Italy
Germany
United KIngdom