India, April 24 -- Eye health firm Bausch + Lomb Corp. (BLCO) announced Thursday that it is returning the recently recalled enVista Intraocular Lenses to market after identifying the cause for the issue and confirming the affected lots.

In pre-market activity on the NYSE, Bausch + Lomb shares were gaining around 5.6 percent to trade at $13.45.

It was in early April that the company initiated the recall of certain intraocular lenses or IOLs on its enVista platform, following increased number of reports of toxic anterior segment syndrome or TASS, a potential complication in any cataract surgery.

The company then had noted that the cause of the issue could not immediately be explained. The recall involved enVista Aspire, enVista Envy and ce...