Eye defect

What is myopia?

• Near Sightedness

• Far sightedness

How can near sightedness be corrected?

• Using concave lens

• Using convex lens

• Using bifocal lens

Cause of myopia. (More than one answer)

• flattened eyeball

• elongated eyeball

• Curvature of lens increase

• Curvature of lens decrease

Identify the eye defect shown in the diagram

Where is the image formed in myopia ?

• in front of retina

• behind retina

• on retina

• everywhere on the retina

Identify the eye defect myopia.

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Write another word for myopia.

A student of your class can read clearly from the notebook but cannot see the blackboard clearly. Write the eye defect the student must be suffering from.

A student of grade 10 is wearing a spectacle having concave lens. What eye defect he is suffering from?

Write 2 possible reasons for Myopia.