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Ex Vivo OCT-Based Multimodal Imaging of Human Donor Eyes for Research into Age-Related Macular Degeneration

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Stratus OCT in dominant optic atrophy: features differentiating it from glaucoma.

Tae-Woo Kim¹, Jeong-Min Hwang

¹Department of Ophthalmology, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Seongnam, Korea.

Journal of Glaucoma

|December 20, 2007

Summary

Stratus optical coherence tomography (OCT) reveals a distinct retinal nerve fiber layer (RNFL) thickness pattern in dominant optic atrophy (DOA). This characteristic OCT finding helps differentiate DOA from glaucoma.

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Area of Science:

Ophthalmology
Neuro-ophthalmology
Medical Imaging

Background:

Dominant optic atrophy (DOA) is a genetic optic neuropathy.
Distinguishing DOA from other optic neuropathies, like glaucoma, is clinically important.
Optical coherence tomography (OCT) is a key imaging modality in ophthalmology.

Purpose of the Study:

To characterize the Stratus OCT retinal nerve fiber layer (RNFL) thickness profile in dominant optic atrophy (DOA).
To establish OCT-based criteria for differentiating DOA from glaucoma.

Main Methods:

Retinal nerve fiber layer (RNFL) thickness was measured using Stratus optical coherence tomography (OCT).
The study included 32 eyes from 16 patients diagnosed with dominant optic atrophy (DOA).

Main Results:

A significant proportion (90.6%) of DOA eyes showed temporal-most RNFL thickness measurements outside the normal 95% limit.
The pattern of RNFL damage in DOA was consistently bilaterally symmetrical in both location and severity.

Conclusions:

Stratus OCT demonstrates a characteristic RNFL thickness profile in dominant optic atrophy (DOA).
These distinctive OCT findings aid in differentiating DOA from glaucoma.