Some products claim enhanced convenience, eliminating the need for multiple daily doses
Ortega FB, Lavie CJ, Blair SN
Because robust human safety data are limited, it is difficult to give a definitive side-effect profile with meaningful incidence rates
Ask a pharmacist for advice and replace the pen if quality is uncertain
Although critical flicker frequency is easy to perform, the proportion of patients identified as abnormal by critical flicker frequency often differs from that detected by other diagnostic tests, raising concerns regarding its diagnostic accuracy [22, 112]
It is important to read this disposition precisely: FDA explicitly states that May Proceed makes no determination that the product complies with all provisions of the Federal Food, Drug, and Cosmetic Act, and that it does not preclude later action if the article is subsequently found to be violative