'Astigmatism' is a disease which affects-?

Option 3 : Eyes

The correct answer is Eyes.

• Astigmatism is a disease related to the Eyes.
• Astigmatism is an eye condition that causes blurred vision.
• It occurs due to deformations and irregularities in the curvature of the cornea or the lens of the eyes.
• These irregularities obstruct the proper focusing of light on the Retina.
• It leads to blurred vision, headaches, eyestrain, etc.
• Correction: Astigmatism can be corrected by the following methods:
  • Eyeglasses: They can be corrected using cylindrical eyeglasses.
  • Contact lenses.
  • Orthokeratology: Using rigid contact lenses the curvature of the cornea be corrected.
  • Surgery: Cornea or the lens can be reshaped by laser or refractive surgeries.