Active — Not RecruitingNot Applicable

Impact of Positive & Negative Lens-Induced Defocus on Contrast-Sensitivity in Myopic & Non-Myopic Adults

Pakistan36 participantsStarted 2024-02-28

Plain-language summary

examines the influence of lens-induced defocus on contrast sensitivity-a crucial aspect of visual performance.Each participant experiences both positive and negative defocus through different lenses, with measurements taken for contrast sensitivity using the Pelli-Robson chart. Outcomes are evaluated at baseline, 2 weeks, and 4 weeks to understand the effect of defocus over time.

Who can participate

Age range18 Years – 50 Years

SexALL

See this in plain English?

AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.

Inclusion Criteria: * Adults aged 18 to 50 years. * Participants with a confirmed diagnosis of myopia or non-myopia. * Best corrected visual acuity of 20/30 or better. * No history of ocular surgery or significant ocular disease. * Informed consent was obtained. Exclusion Criteria: * Individuals with a history of systemic diseases affecting vision (e.g., diabetes, hypertension). * Presence of binocular vision anomalies or strabismus. * Pregnant or nursing women. * Any current use of medications affecting visual function (e.g., medications causing visual side effects).

What they're measuring

Contrast Sensitivity

Timeframe: 12 Months

Visual Fatigue

Timeframe: 12 months

Trial details

NCT IDNCT06753032

SponsorSuperior University

Sponsor typeOTHER

Study typeINTERVENTIONAL

Primary completion2024-07-31

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