When should you seek hyperbaric oxygen therapy for patients with CRAO?

I usually pursue hyperbaric oxygen therapy within the 24-hour window from symptom onset for CRAO. This can be performed following TNK if given.

In reality, though, there are multiple barriers to achieving this, including:

1. Few centers offer hyperbaric oxygen therapy
2. Labor intensive
3. Difficulty with i...

Lacking the availability of HBO, if it is within 48 hours, I start them on Ocufolin, a medical food for retinal ischemia. It was developed for diabetic retinopathy. I published a single patient case report that had an improved outcome. It reduces retinal venous pressure and probably improves choroid...