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Ocular-surface temperature modification by cataract surgery.

Giuseppe Giannaccare1, Michela Fresina1, Luca Agnifili1

  • 1From the Ophthalmology Unit (Giannaccare, Fresina, Versura), Department of Experimental, Diagnostic and Specialty Medicine, Alma Mater Studiorum University of Bologna and Saint Orsola-Malpighi Teaching Hospital, Bologna, and the Department of Medicine and Aging Science (Agnifili), Ophthalmology Clinic, University G. d'Annunzio of Chieti-Pescara, Chieti, Italy.

Journal of Cataract and Refractive Surgery
|August 6, 2016
PubMed
Summary
This summary is machine-generated.

Ocular surface temperature changes after cataract surgery, with corneal cooling and limbal heating observed. These thermal shifts correlate with tear film instability and inflammation, impacting patient outcomes.

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Area of Science:

  • Ophthalmology
  • Ocular Surface Disease
  • Surgical Outcomes

Background:

  • Cataract surgery can affect the ocular surface environment.
  • Understanding post-operative thermal changes is crucial for managing patient comfort and healing.

Purpose of the Study:

  • To analyze ocular surface temperature variations following microincision cataract surgery.
  • To correlate these temperature changes with clinical and laboratory parameters.

Main Methods:

  • Prospective case series involving 26 patients undergoing cataract surgery.
  • Infrared thermography used to measure corneal and limbal temperatures pre- and post-operatively.
  • Ocular Surface Disease Index (OSDI), tear breakup time (TBUT), and inflammatory markers assessed.

Main Results:

  • Significant post-operative ocular surface temperature changes were observed.
  • Central cornea and nasal limbus showed cooling, while the temporal limbus showed heating.
  • Temperature changes correlated inversely with OSDI and directly with TBUT in the central cornea.

Conclusions:

  • Ocular surface temperature alterations post-cataract surgery are region-dependent.
  • Corneal cooling may indicate increased tear film instability.
  • Temporal limbus heating suggests a link to post-operative inflammation.