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. Author manuscript; available in PMC: 2022 Oct 1.

Published in final edited form as: Toxicol In Vitro. 2021 Jun 30;76:105208. doi: 10.1016/j.tiv.2021.105208

Table 1.

Antioxidants Present in Aqueous Humor and Tears

Antioxidant	Aqueous Humor^a	Tear Film^a
L-Tyrosine	78 μM	45 μM
Uric acid	43 μM	328 μM
Ascorbic acid	530 μM	665 μM
L-Cysteine	14.3 μM	48 μM
Glutathione	5.5 μM	107 μM
Superoxide dismutase	~5.1 U/mL^b	3.5 U/mL^b

^a

Chen et al., 2009

^b

Behndig et al., 1998.