Pterygium vs. Pinguecula

Pterygium-vs-Pinguecula.jpg
  • Pterygium: fleshy triangular mass that extends to the cornea.

    • May interfere with vision.

  • Pinguecula: yellowish elevated bump or patch that does not grow across the cornea.

    • Treatment is not usually necessary but can be resected.

  • Both are conjunctival growths that may result from chronic actinic irritation, repeat trauma, or exposure to dry/windy conditions.

  • Typically occur on the nasal side.

  • They may cause irritation or cosmetic blemish.

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Preeclampsia: Pathophysiology