πŸ“Š General Science
Q. Which among the following kinds of lenses are used to treat Astigmatism?
  • (A) Convex Lens
  • (B) Concave Lens
  • (C) Bifocal Lens
  • (D) Cylindrical
πŸ’¬ Discuss
βœ… Correct Answer: (D) Cylindrical

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