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Related Experiment Videos

Lactic acid in human aqueous humour

D K Sen, G S Sarin, K Mani

    Canadian Journal of Ophthalmology. Journal Canadien D'Ophtalmologie
    |October 1, 1976
    PubMed
    Summary

    The human lens does not significantly contribute to high lactic acid levels in aqueous humor, regardless of cataract stage. This study found no significant difference in lactate concentration across various cataract severities.

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    Area of Science:

    • Ophthalmology
    • Biochemistry

    Background:

    • Human aqueous humor exhibits a high concentration of lactic acid.
    • The ocular lens is a potential source of lactate production within the eye.

    Purpose of the Study:

    • To determine the contribution of the lens to the elevated lactic acid levels in human aqueous humor.
    • To investigate if cataract progression affects aqueous humor lactate concentration.

    Main Methods:

    • Lactic acid levels in aqueous humor were measured using Pryce's modification of the Barker-Summerson method.
    • Subjects were categorized into four groups based on cataract severity: early, advanced nuclear, mature, and hypermature (morgagnian).

    Main Results:

    • No statistically significant difference in lactic acid concentration was observed between the four cataract groups.
    • Lactate levels remained consistent across all stages of cataract development.

    Conclusions:

    • The ocular lens is unlikely to be a major contributor to the high lactic acid levels in human aqueous humor.
    • Cataract progression does not appear to influence the concentration of lactate in the aqueous humor.

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