Total corneal power changes and surgical outcomes of small vs. traditional corneal incision size for phacoemulsification: RCT

Phase 3

• Conditions: Total cornel power changes and surgical outcomes of small vs traditional corneal incision size for phacoemulsification; Small incision; Phacoemulsification; Cataract; Total keratometry; Surgical induced astigmatism

• Registration Number: TCTR20230202010
• Lead Sponsor: Routine To Research Unit (R2R)

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Study Start: 2023-02-02
• Last Update Posted: 19 August 2024
• Study Completion: 2024-09-17

Recruitment & Eligibility

• Status: Pending (Not yet recruiting)
• Sex: All
• Target Recruitment: 200

Inclusion Criteria

Patients diagnosed with senile cataract and considered cataract surgery.

Exclusion Criteria

1. Patients with history of other ocular diseases that effects visual acuity
2. history of corneal ulcer
3. history of eye injury
4. history of major ocular surgery
5. dry eye disease (Oxford score > grade 2)
6. history of using oral/topical drugs causing dry eye symptoms
7. Patients who want to use the IOL other than the one used in this research
8. Patients who cannot cooperate during the eye examination and surgery

Study & Design

• Study Type: Interventional
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
Post cataract surgery surgically induced astigmatism calculated from total keratometry 3 months Total keratometry derived from swept-source OCT-based biometer

Secondary Outcome Measures

Name	Time	Method
Difference of surgically induced astigmatism calculated from conventional keratometry and total keratometry 1 month Conventional and Total keratometry derived from swept-source OCT-based biometer,Difference of surgically induced astigmatism calculated from conventional keratometry and total keratometry 3 months Conventional and Total keratometry derived from swept-source OCT-based biometer,Post operative visual acuity 1 day ETDRS LogMAR visual acuity score,Post operative visual acuity 1 week ETDRS LogMAR visual acuity score,Post operative visual acuity 1 month ETDRS LogMAR visual acuity score,Post operative visual acuity 3 months ETDRS LogMAR visual acuity score,Post operative predictive error 1 month refractive error measured in diopter (D) unit,Post operative predictive error 3 months refractive error measured in diopter (D),Post operative complication 3 months event count,Post operative dry eye symptoms 3 months SPEED dry eye questionnaire score