What is the prognosis for penetrating keratoplasty and glaucoma (PKPG)?

Updated: Dec 30, 2020
  • Author: Shibandri Das, MD; Chief Editor: Inci Irak Dersu, MD, MPH  more...
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Answer

Prognosis after PKP can be divided into 3 main groups as follows:

1. Very favorable: Defined by improvement in vision to be greater than 20/50. This prognosis is seen in patients with central corneal opacities, keratoconus, or interstitial keratitis.

2. Less favorable: Defined by a high likelihood of producing considerable improvement in vision. This prognosis is seen in patients with corneal dystrophies, superficial opacities extending to the entire cornea, tear gas burns, adherent leukomas, descemetoceles, and more extensive cases of interstitial keratitis.

3. Unfavorable: Defined by grafts that become vascularized and subsequently nebulous or opaque. This prognosis is seen in patients with extensive corneal scars, extensive leukomas surrounded by scar tissue, band-shaped opacities, dystrophia adiposogenitalis, deep corneal burns, and extensive corneal opacities, especially in aphakic eyes. [32]


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