Treatments of the Eye

• How can defects of the eye be treated?

  -contact lenses

  -glasses

  -laser surgery to change the shape of the cornea

  -replacement eye lenses
• What type of lenses do glasses have?

  Corrective concave or convex lenses
• Why are contact lenses considered more user-friendly than glasses?


  They provide a more comfortable and unobtrusive vision correction
• What are the two types of contact lenses and their characteristics?

  • Hard contact lenses:
  • More durable
  • More resistant
  • Soft contact lenses:
  • More comfortable
• What is the primary purpose of laser eye surgery?


  To provide a longer-term alternative to contact lenses or spectacles
• What are the risks associated with laser eye surgery?


  Infection or even blindness, although this is rarer now
• For which vision disorders is laser eye surgery most commonly used?


  Myopia, although some with hyperopia can benefit
• What is the purpose of replacement lenses in eye surgery?


  To replace the existing lens of the person
• What does the surgery for replacement lenses involve?

  A cut into the cornea to insert the artificial lens
• How does the inserted lens in replacement lens surgery affect vision?


  It increases or decreases refraction based on whether the person is long or short sighted