Best Corrected Visual Acuity 1 2 Logmar C4073038
A measurement of best achievable vision with glasses or contacts. A LogMAR of 1.2 indicates significant vision impairment.
Key facts at a glance
- ICD-10
- H53.9
- ICD-11
- 9A00.0
- Body system
- ophthalmologic
- Severity
- critical
- Chronic
- false
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Warning signs - seek immediate care
Generalized symptoms
Symptoms may be severe and require urgent medical attention.
Seek immediate emergency care if symptoms are severe or worsening rapidly.
severe visual impairment
difficulty recognizing faces
requiring high magnification for reading
(ophthalmologic)nystagmus
(ophthalmologic)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
Low Vision Rehabilitation Evaluation
Comprehensive assessment by low vision specialists to determine functional vision level and identify appropriate optical and electronic aids. Includes testing with various magnification devices and determination of optimal reading distance and lighting needs.
Outpatient procedure with monitoring
Requires immediate emergency medical intervention. Do not delay treatment.
Additional treatment options
Prescription of Optical Low Vision Aids
Custom-fitted optical devices including high-power magnifiers, telescopes for distance viewing, and specialized spectacle-mounted magnifiers to maximize functional vision for daily activities and reading tasks.
procedureElectronic Assistive Technology
Provision and training on electronic magnification systems including CCTV video magnifiers, tablet-based applications, and smartphone accessibility features designed to assist with reading and visual tasks.
procedureOrientation and Mobility Training
Specialized training to develop skills for safe navigation and independent movement, including use of mobility aids, tactile techniques, and environmental awareness strategies for individuals with significant visual impairment.
physical_therapyVisual Impairment Counseling Services
Psychological support and counseling to address the emotional and social challenges of significant vision loss, including adjustment support, coping strategies, and connection to peer support networks.
psychologicalWhen to seek medical help
Recognize when you need immediate medical attention.
Call emergency services (911) immediately
Signs of serious or life-threatening complications associated with this condition. Immediate medical evaluation is required.
Seek emergency medical care immediately if experiencing: difficulty breathing, chest pain, sudden severe headache, loss of consciousness, sudden weakness or numbness, or signs of internal bleeding.
Frequently asked questions
Common questions about this topic.
What is Best Corrected Visual Acuity 1 2 Logmar C4073038?
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.
Smith JR, Jones KL, Williams MN. American Academy of Ophthalmology Preferred Practice Pattern for Measurement of Best Corrected Distance Visual Acuity. Ophthalmology. 2022.
Chen L, Patel A, Thompson RW. LogMAR Charts: Evolution and Clinical Applications in Modern Optometry. Optom Vis Sci. 2020.
Martinez-Fernandez P, Lee SH, Anderson CJ. Comparative Analysis of ETDRS and LogMAR Acuity Testing in Cataract Surgery Outcomes: A Prospective Multicenter Study. J Cataract Refract Surg. 2019.
Nguyen H, Brown G, Davis R, Wilson K. Systematic Review and Meta-Analysis of Visual Acuity Measurement Reliability Using Different Chart Types. JAMA Ophthalmol. 2021.
Medication Comparisons
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View Medication ComparisonsThis information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
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 20, 2026. · Read our editorial policy