When hydrophilic lenses first appeared in the early 1970s, it didn't take long for contact lens fitters to recognize that caring for these lenses was not going to be a simple proposition. Today, after three decades of clinical and laboratory research, sweat and tears, clinicians are adapting to a new paradigm for contact lens care in what we might call the no-rub era.
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biguanide, as the disinfectant, and Poloxamer 237 as the cleaning agent.

New horizons in contact lens care clinical grand rounds.
Review of Optometry; June 15, 2002; Fontana, Frank Schachet, John

聚羟亚烃237
本词加一数码后缀，表明为某一特定产品，供食品，药剂和化妆品用。