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Related Experiment Video

Updated: May 8, 2026

Binocular Dynamic Visual Acuity in Eyeglass-Corrected Myopic Patients

Binocular Dynamic Visual Acuity in Eyeglass-Corrected Myopic Patients

Published on: March 29, 2022

[Myopia or hyperopia?].

P Pašová, J Procházková, J Cuvala

Ceska a Slovenska Oftalmologie : Casopis Ceske Oftalmologicke Spolecnosti a Slovenske Oftalmologicke Spolecnosti

|August 23, 2013

Summary

Latent hypermetropia can cause vision problems and headaches, often missed by standard autorefractometry. Cycloplegic eye exams are crucial for accurate prescription and resolving patient symptoms.

Area of Science:

Ophthalmology
Optometry

Background:

Patients presenting with visual disturbances and headaches may have uncorrected latent hypermetropia.
Inadequate correction of ametropia can lead to various, often overlooked, ocular and visual complaints.

Purpose of the Study:

To demonstrate the ability to measure minus diopters in latent hypermetropes.
To highlight the importance of cycloplegic examinations in specific patient cases.

Main Methods:

Ocular refraction was measured using an autorefractometer before and after cycloplegia induced by tropicamide (UNITROPIC 1%) or cyclopentolate (CYCLOGYL 1%).
Visual acuity was assessed with the best corrective lenses, both with and without cycloplegia.

Main Results:

Cycloplegia revealed significant shifts towards hyperopia in both objective and subjective refraction for most selected patients.

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Adjusting the corrective prescription based on cycloplegic findings resolved the patients' presenting problems.

Conclusions:

An individualized approach to prescribing corrective lenses is essential.
Autorefractometer readings alone may not always reflect the true refractive error, necessitating cycloplegic assessment in certain cases.