Acquisition of Majority Equity Interest in LayerBio and its OcuRing™-K Technology Targets Growing Demand for 'Dropless' Solutions in Ophthalmic Surgery TEL AVIV, Israel, Aug. 13, 2025 (GLOBE NEWSWIRE) -- PainReform Ltd. (Nasdaq: PRFX), today announced, through its pharmaceutical division, the closing of its previously announced investment in LayerBio, Inc., a privately held Boston-based biotechnology company advancing sustained-release drug delivery technologies in ophthalmology. With this transaction, Pain ...