PureVision Contacts 6 PK, by Bausch + Lomb | Find Reviews, Order Replacements | Lens.com
Comparison of Lotrafilcon B and Balafilcon A silicone hydrogel bandage contact lenses in reducing pain and discomfort after photorefractive keratectomy: A contralateral eye study. | Semantic Scholar
Balafilcon A | C95H239N3O42Si31 | CID 91971246 - PubChem