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Common Eye Disorders

  • Myopia (Nearsightedness)

    • Nearsighted individuals typically have
      problems seeing well at a distance and
      are forced to wear glasses or contact lenses.


    • The nearsighted eye is usually longer than
      a normal eye, and its cornea may also be


    • Therefore, when light passes through
      the cornea and lens,it is focused in front of the retina, which
       will make distant images appear blurred.

    • There are several refractive surgery solutions available to correct nearly all levels of nearsightedness.

  • Hyperopia (Farsightedness)

    • Farsighted individuals typically develop problems reading up close before the age of 40.

    • The farsighted eye is usually slightly shorter than a normal eye and may have a flatter cornea.

    • Thus, the light of distant objects focuses behind the retina unless the natural lens can compensate fully.

    • Near objects require even greater focusing power to be seen clearly and therefore, blur more easily.


  • Astigmatism

    • The shape of the cornea or natural lens causes light
      to be focused unevenly, which is the main
      optical problem in astigmatism. 

      • It is more steep on one side and more round
        on the other, like a football.​


    • To individuals with uncorrected astigmatism,
      images may look blurry or shadowed.


    • Astigmatism can accompany any form
      of refractive error and is very common.


    • Astigmatism can be corrected with glasses,
      lenses, corneal relaxing incisions, laser vision correction,
      and special implant lenses.

  • Presbyopia

    • Presbyopia is a condition that typically becomes noticeable for most people around age 45.

    • In children and young adults,
      the lens inside the eye can easily
      focus on distant and near objects.


    • With age, the lens loses its ability
      to focus adequately.


    • Although presbyopia is
      thought that the lens and
      its supporting structures lose
      the ability to make the lens longer
      during close vision effort.


    • To compensate, affected individuals usually find that holding reading material further away makes the image clearer.

    • Ultimately, aids such as reading glasses are typically needed by the mid-forties.

    • Besides glasses, presbyopia can be dealt with in a number of ways.

    • Options include:

      • Monovision contact lenses 

      • Multifocal contact lenses

      • Monovision laser vision correction 

      • Intra-ocular presbyopia correcting implant lenses


Make an appointment for an eye exam with Dr. Nanda
at the Nanda Dry Eye and Vision Institute at 832-966-0660 
if you notice any changes in your vision.

If you develop sudden vision changes, such as double vision
or flashes of light, sudden eye pain, or sudden headache, see Dr Nanda.

Smart Dog
Image by K8
Image by Dave Adamson
Image by Hubble
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