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Isolated retinal venous macroaneurysm.

Helene M Kaiser¹, Jean Marie Pagani

¹Pennsylvania College of Optometry, Philadelphia, Pennsylvania 19141, USA. HKaiser@pco.edu

Optometry (St. Louis, Mo.)

|October 4, 2005

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This case report details an extremely rare isolated retinal venous macroaneurysm in a healthy woman. Further documentation of this vascular anomaly is crucial for understanding its significance and potential ocular sequelae.

Area of Science:

Ophthalmology
Vascular Medicine
Retinal Imaging

Background:

Retinal venous macroaneurysms are rare, often associated with branch retinal vein obstruction.
Isolated retinal venous macroaneurysms without venous occlusion are exceptionally uncommon.
Only two prior cases of isolated non-occlusive venous macroaneurysms have been documented.

Observation:

A healthy 43-year-old woman presented with an incidental finding of an isolated retinal venous macroaneurysm.
The macroaneurysm was located on the inferior temporal retinal vein, adjacent to the optic disc.
No other retinal abnormalities or history of visual disturbance were noted, apart from amblyopia in the left eye.

Findings:

The isolated retinal venous macroaneurysm remained unchanged during one-month and six-month follow-up examinations.

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The etiology of this rare vascular finding in the absence of venous occlusion remains unknown.

The clinical presentation suggests it is unlikely to be a sequela of a prior venous occlusive event.

Implications:

This case represents the third documented instance of an isolated non-occlusive retinal venous macroaneurysm.
Documenting such rare vascular phenomena enhances understanding of their clinical significance.
Further research is needed to elucidate the etiology and potential long-term ocular sequelae of these rare macroaneurysms.