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Prospective assessment of vault height prediction accuracy using nomograms in phakic intraocular lenses

Analysis of the predictive vault height using various nomograms in 2 subsets of phakic IOLs- a prospective study - nil

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
CTRI
Registry ID
CTRI/2026/05/109975
Enrollment
120
Registered
2026-05-04
Start date
Unknown
Completion date
Unknown
Last updated
2026-06-01

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

Conditions

Health Condition 1: H278- Other specified disorders of lens

Interventions

Intervention1: To compare the predicted vault height between the 3 nomograms and between 2 subsets of phakic IOL in correcting myopic astigmatism: Patients satisfying the inclusion and exclusion crite

Sponsors

Nethradhama superspeciality eye hospital
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: Best corrected Visual acuity (BCVA) of 20/40 or better. Healthy tear film and ocular surface Anterior chamber depth more than or equal to 2.8mm. Endothelial cell count more than 2000 cells/mm2. Absence of corneal ectatic diseases, corneal scars, absence of retinal pathologies

Exclusion criteria

Exclusion criteria: Corneal ectatic diseases, corneal scars, opacities, and degenerations. Active ocular disease in the operating eye such as uveitis, herpes simplex/zoster. Optic nerve pathologies or glaucoma Retinal pathologies like diabetic retinopathy, chorioretinal atrophy or retinal holes Progressive or unstable myopia and/or astigmatism. Previous ocular surgery or lasers. Dysfunctional lens syndrome, any evidence of cataract. Anterior chamber depth less than 2.8mm. Endothelial cell counts less than 2000 cells/mm2. Any other recurrent ocular diseases. Uncooperative patients Patients unwilling to give informed consent or not willing to come for scheduled follow ups Pregnant or lactating women.

Design outcomes

Primary

MeasureTime frame
To compare the predicted vault height between the 3 nomograms and between 2 subsets of phakic IOL in correcting myopic astigmatismTimepoint: performed on day 1, 2 weeks, 3 months and 6 months

Secondary

MeasureTime frame
Visual and refractive outcomes between the two subsetsTimepoint: performed on day 1, 2 weeks, 3 months and 6 months

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: Jun 11, 2026