Page 23 - Science E-Book Prep.3 2024-2025 1st term_ unit 2_Neat
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Science Department
Prep.3
Contact lens:
-They are used to treat the vision defects.
It’s very thin lens made of plastic and stick to
the eye cornea by the eye fluid.
Reasons - Old ages
- Side effect of drugs
Results - Illness
Treatment - Genetic readiness
Difficulty of vision as a result of the darkness of
the eye lens (the eye lens becomes opaque)
By surgery to exchange the eye lens with a plastic
lens transplanted permanently in the eye
First Term 41
