The Effect of LASIK on the Calibration of IOL Formula Calculation: a Comparative Study
Completed
- Conditions
- Cataract Senile
- Registration Number
- NCT06165796
- Lead Sponsor
- Taipei Nobel Eye Clinic
- Brief Summary
Direct comparison study between previous LASIK or non-LASIK cataract eyes, the performance between non-LASIK and LASIK patients were (i) Ophthalmic examinations: UDVA, CDVA and uncorrected near visual acuity (UNVA) (40cm) and (ii) Refractive prediction error: defined as difference between postoperative sphere and target refraction.
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- COMPLETED
- Sex
- All
- Target Recruitment
- 331
Inclusion Criteria
- presence of cataract in both eyes
- corrected distance visual acuity under 20/40
- Phacoemulsification cataract surgery was arranged for both eyes
Exclusion Criteria
- complicated cataract
- corneal opacities or irregularities
- corneal astigmatism > 1.50 diopter
- amblyopia, anisometropia
- surgical complications such as posterior capsular bag rupture or vitreous loss, IOL tilt or decentration
- coexisting ocular pathologies, glaucoma, non-dilating pupil, history of intraocular surgery, or retinopathy
- optic nerve or macular diseases
- refusal or unable to maintain follow-up.
Study & Design
- Study Type
- OBSERVATIONAL
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method visual acuity 1 month after surgery refractive prediction error 1 month after surgery
- Secondary Outcome Measures
Name Time Method
Trial Locations
- Locations (1)
Taipei Nobel Eye Clinic
🇨🇳Taipei, Taiwan
Taipei Nobel Eye Clinic🇨🇳Taipei, Taiwan