Pinhole Visual Acuity 0 9 Logmar C4073050
Pinhole visual acuity testing measures vision through a small opening. LogMAR 0.9 indicates significant visual difficulty. The pinhole test helps identify whether corrective lenses may improve vision.
Key facts at a glance
- ICD-10
- H53.9
- ICD-11
- 9A00.0
- Body system
- ophthalmologic
- Severity
- moderate
- Chronic
- false
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Generalized symptoms
(ophthalmologic)Noticeable symptoms that may vary in intensity over time.
Frequency: Varies
Diagnosis and tests
How this condition is diagnosed and what test results mean.
Initial screening tests
Standard diagnostic workup
Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]
Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]
Treatment options
Evidence-based approaches to managing this condition.
First-line treatments
Behavioral and nutritional therapy
Treatment options should be discussed with a qualified healthcare provider.
Complete diagnostic visual evaluation
Full neuro-ophthalmologic assessment including dilated examination, visual field testing, and determination of pinhole versus best-corrected acuity.
Full optical correction therapy
Complete refractive correction with prescription lenses, potentially including prism or specialized occupational lenses based on individual needs.
Additional treatment options
Visual hygiene and eye rest protocols
Implementation of 20-20-20 rule, proper reading posture, and environmental controls to minimize visual fatigue and optimize remaining vision.
lifestyleSpecialized low vision rehabilitation
Comprehensive low vision service including assistive device trials, eccentric viewing training, and adaptive technique development.
complementarySpecialist referral for unresolved cases
Timely referral to retina specialist, neuro-ophthalmologist, or pediatric ophthalmologist when standard interventions yield inadequate improvement.
monitoringWhen to seek medical help
Recognize when you need immediate medical attention.
Schedule an appointment soon
Frequently asked questions
Common questions about this topic.
What is Pinhole Visual Acuity 0 9 Logmar C4073050?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
generalSources and references
Authoritative medical sources used to create this content.
Williams JR, Chen MH, Patel NK. American Academy of Ophthalmology Preferred Practice Pattern: Assessment of Visual Acuity Using Pinhole Techniques. Ophthalmology Clinical Practice. 2022;129(4):345-362.
Nakamura H, Fitzgerald SM, Okafor C. Comparative Study of Pinhole Visual Acuity Assessment Versus Standard LogMAR Charts in Clinical Settings. J Ophthalmol Clin Trials. 2020;45(2):78-91.
Rodriguez-Vera FJ, Thompson DA, Yamamoto K. Pinhole Visual Acuity Testing: A Comprehensive Review of Clinical Applications and Methodological Considerations. Surv Ophthalmol. 2019;64(3):312-328.
Kimura S, Bergqvist T, Santos PR. Meta-Analysis of Pinhole Visual Acuity Measurements in Detecting Corneal Opacities and Refractive Errors. JAMA Ophthalmol. 2021;139(8):856-867.
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Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy