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Comparing the quality of vision and outcomes in normal versus large angle kappa patients undergoing Smile surgery with Visumax 800 machine

Comparison of visual and refractive results, induced aberrations and objective scatter index in normal versus large angle kappa following Smile performed with Visumax 800

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
CTRI
Registry ID
CTRI/2022/03/040950
Enrollment
50
Registered
2022-03-09
Start date
Unknown
Completion date
Unknown
Last updated
2022-04-04

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

Conditions

Health Condition 1: H521- Myopia

Interventions

Intervention1: Smile surgery with Visumax 800 laser machine for patients with large angle kappa: Visual and refractive outcomes after using Visumax 800 for large angle kappa at post op day-1, post op

Sponsors

Zeiss Meditec
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: SE between -1 to -10 D, astigmatism up to -5 D.

Exclusion criteria

Exclusion criteria: 1)Keratoconus, 2)pellucid marginal degeneration or suspect cornea, 3)severe dry eye or meibomian gland disease, 4)glaucoma or 5)retinal disease, 6)pregnancy, 7)patients on immunosuppressants 8)patients with unassured follow ups.

Design outcomes

Primary

MeasureTime frame
To study and compare visual and refractive results, induced aberrations and objective scatter index in normal versus large angle kappa following Smile performed with Visumax 800.Timepoint: POD 1, POD 7, PO 3 MONTHS

Secondary

MeasureTime frame
To evaluate the centration guide feature of the Visumax 800 in eyes with large angle kappa.Timepoint: POD 1, POD 7, PO 3 MONTHS

Countries

India

Contacts

Public ContactDr Shadwala Bharti

Nethradhama SuperSpeciality Eye Hospital

brar_sheetal@yahoo.co.in9591002092

Outcome results

None listed

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