Department

Ophthalmology

Retinal Artery Occlusion, Retinal Ischemia

1 FDA-approved 1 research

HBOT Applications

FDA-Approved Level B

Central Retinal Artery Occlusion (CRAO)

Emergency FDA-approved treatment. Early HBOT intervention (within 24 hours) preserves retinal layers and improves visual acuity by reversing acute retinal ischemia.

Protocol

Pressure

2.0 – 2.8 ATA

Duration

90 min

Sessions

1 – 3 (emergency)

Frequency

Immediately, then daily

Evidence basis: UHMS / FDA-Approved

References: 9 19
Investigational / Preclinical Level C

Diabetic Retinopathy

Investigational use for early-stage diabetic retinopathy. HBOT may reduce retinal hypoxia and slow progression of vascular changes.

Protocol

Pressure

2.0 – 2.4 ATA

Duration

90 min

Sessions

20 – 30

Frequency

Once daily, 5×/week

Evidence basis: Investigational

References: 2