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Corneal Astigmatism in Cataract.

Khawaja Khalid Shoaib1, Tariq Shakoor1

  • 1Department of Ophthalmology, Mughal Eye Hospital, Lahore, Pakistan.

Journal of the College of Physicians and Surgeons--Pakistan : JCPSP
|January 8, 2024
PubMed
Summary
This summary is machine-generated.

A significant number of cataract patients exhibit corneal astigmatism. Surgeons should review preoperative keratometry findings to optimize phacoemulsification outcomes.

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Area of Science:

  • Ophthalmology
  • Corneal Surgery

Background:

  • Corneal curvature and astigmatism are critical factors in ophthalmic surgery.
  • Accurate keratometry is essential for predicting and managing visual outcomes in cataract patients.

Purpose of the Study:

  • To quantify the prevalence and degree of preoperative corneal astigmatism in patients scheduled for cataract surgery.
  • To inform surgical planning and improve patient outcomes by understanding astigmatism distribution.

Main Methods:

  • A descriptive study was conducted at Mughal Eye Hospital, Lahore, from 2018 to 2022.
  • Preoperative corneal astigmatism was measured in cataract patients aged 16 and above, excluding those with corneal pathology or prior ocular surgery.
  • Data were analyzed using SPSS version 25.

Main Results:

  • The study analyzed data from cataract patients, with corneal astigmatism ranging from 0 to 5.75 diopters (D).
  • The mean corneal astigmatism was 1.05 D (SD 0.83).
  • A majority of eyes (66.7%) presented with 1.0 D or less of corneal astigmatism, while 23.6% had 1.1 to 2.0 D.

Conclusions:

  • A substantial proportion of patients undergoing cataract surgery have corneal astigmatism.
  • Phacoemulsification surgeons must consider preoperative keratometry findings to address corneal astigmatism effectively.
  • Preoperative assessment of corneal astigmatism is crucial for successful cataract surgery outcomes.