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In Vivo Vascular Injury Readouts in Mouse Retina to Promote Reproducibility

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High Variation in Inner Retinal Reflectivity Predicts Poor Visual Outcome in Patients With Central Retinal Vein

Nitish Mehta¹, Sachi Patil¹, Vikram Modi¹

¹Department of Ophthalmology, NYU Langone Health, New York University, New York, NY, USA.

Translational Vision Science & Technology

|June 27, 2023

Summary

This summary is machine-generated.

A new optical coherence tomography biomarker, OIR variation, predicts poor visual outcomes in retinal vein occlusion patients with low baseline vision. This finding aids in identifying patients needing closer monitoring for improved visual acuity.

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Area of Science:

Ophthalmology
Medical Imaging
Retinal Diseases

Background:

Retinal vein occlusion (RVO) is a leading cause of vision loss.
Assessing visual prognosis in RVO patients remains challenging.
Novel biomarkers are needed to predict visual acuity outcomes.

Purpose of the Study:

To evaluate a novel spectral domain optical coherence tomography (SD-OCT) biomarker for predicting 6-month visual acuity in RVO.
To investigate the association of inner retinal hyperreflectivity and its variation with visual outcomes.

Main Methods:

SD-OCT volume scans were analyzed for inner retinal hyperreflectivity.
Optical intensity ratio (OIR) and OIR variation were quantified.
Regression trees modeled interactions between baseline visual acuity and OCT biomarkers.

Main Results:

Baseline visual acuity letter score (VALS) was the strongest predictor of 6-month VALS.
A significant interaction was found: patients with baseline VALS < 43 and month 1 OIR variation > 0.09 had worse visual outcomes.
This subgroup lost an average of 13 letters of vision by 6 months.

Conclusions:

OIR variation at month 1 is a significant predictor of poor visual outcome in RVO patients with low baseline vision.
This biomarker may help identify high-risk patients requiring closer monitoring and tailored treatment strategies.
Pixel heterogeneity in OCT may indicate retinal disruption and carry prognostic value.