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Comparison of preoperative and intraoperative time flow: VisuMax 800 versus VisuMax 500

A comparative analysis of the intraoperative and preoperative time flow between visumax 800 vs visumax 500 - nil

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
CTRI
Registry ID
CTRI/2026/03/106009
Enrollment
140
Registered
2026-03-12
Start date
Unknown
Completion date
Unknown
Last updated
2026-03-30

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Health Condition 1: H188- Other specified disorders of cornea

Interventions

Intervention1: Nil: Nil Intervention2: TO evaluate and compare the preoperative and intraoperative time flow between the VISUMAX 500 VS the VISUMAX 800: Visual Acuity Testing, Manifest refraction, Sli

Sponsors

Nethradhama superspeciality eye hospital
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: Patients diagnosed with Myopic astigmatism Patient topography suitable to undergo Relex Smile Pro

Exclusion criteria

Exclusion criteria: Patient with Hypermetropia, presbyopia Borderline Topography High Myopia not suitable for keratorefractive surgery Uncooperative and anxious patients (increases time hence confounding the results) Pupillary Abnormality Any other Ocular Surface Disturbances

Design outcomes

Primary

MeasureTime frame
Outcome is correction of the refractive error and also to compare the time taken between visumax 500 and 800Timepoint: Outcome is correction of the refractive error and also to compare the time taken between visumax 500 and 800—

Secondary

MeasureTime frame
nilTimepoint: nil—

Countries

India

Contacts

Public ContactDr Shreya Pai

Nethradhama Superspeciality Eye Hospital

shreyaspai97@gmail.com9738712712

Outcome results

None listed

Source: CTRI (via WHO ICTRP) · Data processed: Apr 4, 2026