Table 4. .

Effect of Elevated Glucose and 670-nm PBM on Superoxide Generation by Retinal Cells In Vitro

Cell Line	Reported Cell Derivation	Superoxide Generation, arb Units/min/9 × 105 Cells
		5 mM Glucose	30 mM Glucose	30 mM Glucose + PBM	30 mM Glucose + PBM + Carboxy-PTIO
RGC-5	Retinal ganglion cells	52 ± 17	105 ± 21*	58 ± 13†	63 ± 6
661W	Photoreceptors	102 ± 55	351 ± 110*	154 ± 10†	121 ± 21†‡
ARPE19	RPE	75 ± 8	164 ± 53*	89 ± 11†	67 ± 15†‡

^*P < 0.05 compared to 5 mM glucose.

^†P < 0.05 compared to 30 mM glucose.

^‡P < 0.05 compared to 30 mM glucose + PBM.