All About

Intraocular Implants (IOLs)


  • Clouded, blurred or dim vision.
  • Increasing difficulty with vision at night.
  • Sensitivity to light and glare.
  • Need for brighter light for reading and other activities.
  • Seeing "halos" around lights.
  • Frequent changes in eyeglass or contact lens prescription.
  • Fading or yellowing of colors.


  • It is the development of the cataract itself, in particular nuclear sclerosis, which causes the refractive change towards myopia.
  • The healthy aging eye and eyes with cortical cataract or subcapsular cataract, but without nuclear sclerosis, continue to show a gradual hypermetropic change with time.

More about Treatment

Intraocular lens is a lens implanted in the eye as part of a treatment for cataracts or myopia. The most common type of IOL is the pseudophakic IOL. These are implanted during cataract surgery, after the cloudy eye's natural lens has been removed



It can be diagnosed with an eye exam.

Your eye doctor will test your vision and examine your eyes with a slit lamp microscope to look for problems with the lens and other parts of the eye.

The pupils are dilated to better examine the back of the eye, where the retina and optic nerve lie.



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