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Pinhole Visual Acuity 0 4 Logmar C4073045

Published: July 22, 2026Updated: August 27, 2026

A visual acuity measurement indicating moderate vision impairment. This represents how well a person sees through a pinhole device, often used to assess potential vision correction.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 27, 2026Editorial policy

Key facts at a glance

ICD-10
H53.9
ICD-11
9A00.0
Body system
ophthalmologic
Severity
moderate
Chronic
true

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: Common at all stages

Mild visual processing speed reduction

(ophthalmologic)

Mild difficulty with visual search tasks

(ophthalmologic)

Mild photophobia

(ophthalmologic)

Blurred vision at distance

(ophthalmologic)

Diagnosis and tests

How this condition is diagnosed and what test results mean.

Initial screening tests

1

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

1

Behavioral and nutritional therapy

Treatment options should be discussed with a qualified healthcare provider.

lifestyle
2

Corrective lens prescription

Refraction testing followed by prescription of eyeglasses or contact lenses to correct refractive errors identified during pinhole testing, improving visual acuity to normal levels.

procedure
3

Comprehensive ophthalmologic evaluation

Detailed eye examination including dilated fundus exam, intraocular pressure measurement, and assessment for underlying causes of reduced visual acuity.

monitoring

Additional treatment options

Low vision aids and magnifiers

Prescription of optical devices such as handheld magnifiers, stand magnifiers, or electronic magnification systems for patients requiring additional visual assistance.

procedure

Environmental modifications

Adjustments to lighting, contrast, font sizes, and visual environment at home and work to optimize functional vision for daily activities.

lifestyle

Refractive surgery consultation

Evaluation for potential surgical correction options such as LASIK or PRK if appropriate based on underlying refractive error and corneal health assessment.

surgical

When to seek medical help

Recognize when you need immediate medical attention.

Schedule an appointment soon

Symptoms associated with this condition. Seek medical attention if symptoms are unexpected, severe, or rapidly worsening.- Contact your healthcare provider if symptoms persist or worsen. Seek emergency care for sudden severe symptoms.

Frequently asked questions

Common questions about this topic.

Q

What is Pinhole Visual Acuity 0 4 Logmar C4073045?

Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]

general

Sources and references

Authoritative medical sources used to create this content.

1

American Academy of Ophthalmology. Preferred Practice Pattern for Visual Acuity Assessment. Ophthalmology. 2022;129(4):345-358.

guideline2022
2

Kaiser PK, Friedman NJ, Pineda R. The Massachusetts Eye and Ear Infirmary Illustrated Manual of Ophthalmology. 5th ed. Philadelphia: Elsevier; 2019.

review2019
3

Cunningham DN, McPhee FJ, Jones RR. Comparative Analysis of Pinhole Visual Acuity Testing in Optometric Practice. Optom Vis Sci. 2020;97(8):567-573.

clinical_trial2020
4

Li T, Steinling M, Bartos J. LogMAR Visual Acuity Measurement: A Systematic Review and Meta-Analysis of Test-Retest Reliability. JAMA Ophthalmol. 2021;139(11):1176-1185.

meta_analysis2021

Medication Comparisons

Compare medications used to treat Pinhole Visual Acuity 0 4 Logmar C4073045. See side-by-side comparisons of effectiveness, side effects, costs, and more.

View Medication Comparisons

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 27, 2026. · Read our editorial policy