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NCT Number: NCT07525336

Effect of Dry Eye Disease on Accuracy of Intraocular Lens Power Calculation Before Phacoemulsification

This study aims to determine the effect of dry eye disease on intraocular lens power calculation and the postoperative refractive outcome.

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Key information

Conditions

Dry Eye Disease (DED) Cataract Cataract (Post-operative Cataract Surgery Follow-up) Dry Eye Syndromes Eye Diseases Lacrimal Apparatus Diseases Lens Diseases

Age range

40 year and older

Sex eligibility

All sexes

Study type

Observational

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Age equals to or above 40 years old
  • cataract patient
  • suitable for phacoemulsification
  • clear corneal media

Exclusion criteria

  • previous corneal surgery
  • advanced glaucoma
  • corneal pathology (keratoconus, scarring)
  • retinal disease affecting vision
  • irregular astigmatism
  • contact lens use within the last 2 weeks

Treatment and study plan

dry eye disease optimization

Procedure

dry eye disease management prior to obtaining intraocular lens power calculation

Primary outcomes

  1. Compare mean absolute error (MAE) between patients with and without DED

    Time frame: 2 yeras

  2. Compare mean absolute error (MAE) between patients with and without DED

    Time frame: 2 years

Study contacts

Contact information is provided by the study sponsor or research team.

Ziad M.A Sayed

CONTACT

[email protected]

+201152373413

Sponsors and collaborators

Lead sponsor

Assiut University

Other

Registry information

Important dates

Study start
2026
Primary completion
2028
Study completion
2029
First posted
Apr 13, 2026
Registry last updated
Apr 13, 2026

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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