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Presbyopia and Pilocarpine

  • Presbyopia is the gradual loss of the eye’s ability to focus on nearby objects, commonly beginning in the mid-40s and worsening until around age 65.
  • It occurs as the lens in the eye becomes less flexible, making close-up vision blurry.
  • While reading glasses are the usual solution, a new eye drop developed by ENTOD Pharmaceuticals claims to reduce the need for glasses.
  • However, the drop contains pilocarpine, a drug used for glaucoma, which can have side effects such as headaches, blurred vision, and impaired night vision.
  • Doctors advise caution, as its effectiveness for all presbyopia patients is uncertain.

Myopia (Nearsightedness) and Hyperopia (farsightedness)
• Myopia is a common vision condition where distant objects appear blurry while close objects are seen clearly.
• Myopia happens because the eye’s shape causes light rays to focus in front of the retina instead of directly on it.
• In Hyperopia (farsightedness) distant objects are seen more clearly than close ones.
• In hyperopia, light focuses behind the retina, making nearby objects appear blurry.

Dig Deeper: Read about various parts of the Eye like the Retina, Lens, Cornea, Iris, Pupil, Optical Nerve, Cons and Rods. 

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