(Reuters) – Johnson & Johnson, which has been beset by product recalls, on Wednesday confirmed that it recalled nearly five times as many contact lenses as the 100,000 boxes it announced in August due to eye stinging.

J&J said that in late October the recall of its 1 Day Acuvue TruEye lenses, which took place primarily in Japan, was expanded to a total of about 492,000 boxes.

The New Jersey-based global healthcare conglomerate, which claims to be striving for greater transparency in the wake of a series of image-damaging recalls of over-the-counter medicines, said it announced the expanded recall by press release only in Japan, where some 75 percent of the affected product was sold, leaving J&J investors largely in the dark.

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