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Efficacy of PEEK Acuity Versus ETDRS Chart for Assessment of Visual Acuity and Refractive Error

Efficacy of PEEK Acuity Versus ETDRS Chart for Assessment of Visual Acuity and Refractive Error

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ClinicalTrials.gov
Registry ID
NCT06913491
Enrollment
51
Registered
2025-04-06
Start date
2025-03-20
Completion date
2026-02-20
Last updated
2025-04-06

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

Conditions

Refractive Errors

Brief summary

Visual acuity is a key indicator of visual function, often measured using the ETDRS chart, the gold standard in clinical settings. However, the increasing need for accessible and cost-effective screening tools, especially in underserved areas, has led to the development of mobile health applications like the Peek Acuity application.

Detailed description

This study aims to compare the diagnostic accuracy and efficiency of the Peek acuity application (Portable Eye Examination Kit) with the ETDRS (Early Treatment of Diabetic Retinopathy Study) chart in assessing visual acuity and refractive errors. The study will involve 58 participants, selected using a non-probability convenience sampling technique. A comparative cross-sectional design will be used.

Interventions

None listed

Sponsors

Superior University
Lead SponsorOTHER

Study design

Observational model
CASE_CONTROL
Time perspective
RETROSPECTIVE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Males and females. * 18 years of age or older. * Individuals with normal vision or those with refractive error who had their corrected glasses. * Individuals who are willing and able to provide written informed consent to participate in the study.

Exclusion criteria

* Individuals with anterior segment abnormalities such as conjunctivitis, Iritis, uveitis, keratitis, or corneal ulcers. * Individuals with vision deprivation due to corneal opacities, cataracts, glaucoma, retinal, and optic nerve pathologies. * Postoperative/intraoperative complications. * Have received mydriatic drops. * Individuals who cannot achieve normal visual acuity with corrective lenses (glasses or contact lenses). * Individuals with neurological conditions affecting vision * Individuals unable to cooperate with visual acuity testing due to cognitive impairments or language barriers. * Individuals who have had refractive surgery or other eye treatments within the past 6 months.

Design outcomes

Primary

MeasureTime frameDescription
Peek Acuity12 MonthsPeek Acuity is easier to administer than an equivalent wall chart, such as Snellen or ETDRS, and is generally quicker to complete. The algorithm that controls progress through each test is optimised for clinical accuracy, so the test will end just as soon as a reliable score has been obtained.

Countries

Pakistan

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026