Table 6

Comparison of the study by Hayreh and Zimmerman3 and our study in terms of CRAO patients with a visual acuity of counting fingers or worse

StudyStudy designNo of patientsMean age (years)TreatmentBCVA on referral (logMAR)Final VA (logMAR)% of patients with BCVA improvement ≥0.3 logMAR
Hayreh and Zimmerman, 20053Prosp. Non-Comp.5867.7Observation≤+1.7NA22
Current studyProsp. Non-Comp.1770.1HBOT+2.1 (mean)+1.6 (mean)58.8
  • BCVA, best-corrected visual acuity; Comp, comparative; CRAO, central retinal artery occlusion; HBOT, hyperbaric oxygen therapy; logMAR, Logarithm of the Minimum Angle of Resolution; NA, not applicable; Prosp, prospective.