this is about concave lens and convex lens

1. SHREE BHARTIMAIYA COLLEGE OF OPTOMETRY & PHYSIOTHERAPY
1stYEAR 1stSEM. B.M.C.O
NEHA MAURYA AND FORAM HINDOCHA

2. A lens is a transparent curved device that is
used to refract light.
There are two different shapes for lenses.
They are called convex and concave.
(+) (-)

3. A convex lens is thicker in the middle and
thinner at the periphery.A convex lens is
also called a converging lens.
middle
periphery
1.

4. CONVERGING LENS

5. 2.Objects appears magnified

8. (+2.00D)
(+2.00D)
(+2.00D) (+2.00D)
(+4.00D) (+4.00D)
(-2.00D)

9. A concave lens is thinner in the
middle and thicker at the
periphery.A concave lens is also
called a diverging lens.

10. DIVERGINGLENS

14. (-3.00)D
(-3.00)D
(-3.00)D
(-3.00)D
(-5.00)D
(+3.00)D (-3.00)D

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