Aussie gene therapy company Mirugen Pty Ltd. has emerged from stealth mode from the Center for Eye Research Australia in Melbourne, toting a AU$4.5 million (US$2.9 million) seed round that will see it optimize its lead candidate to treat retinitis pigmentosa.

With the U.S. FDA’s approval of Lenz Therapeutics Inc.’s Vizz (aceclidine ophthalmic solution), there is a third eye drop on the market for treating presbyopia. Vizz, however, is the first aceclidine-based eye drop for adults.

Torrent Pharmaceutical Ltd. will buy J. B. Chemicals and Pharmaceuticals Ltd. (JB Pharma) from private equity firm KKR & Co. Inc. at an equity valuation of ₹256.89 billion (US$3 billion), which will then merge into one entity under Torrent Pharma.

Three months after dosing the first patient with its dual vector gene therapy, Splicebio SL has closed a $135 million series B to fund the phase I/II trial of SB-007 in the treatment of Stargardt’s disease to completion. Other adeno-associated viru gene therapies for the inherited retinal disorder have entered the clinic, but SB-007 is the first with the capacity to deliver a full version of the ABCA4 gene that underlies Stargardt’s.

Aldeyra Therapeutics Inc. is making another run at U.S. FDA clearance for reproxalap in dry eye disease (DED) after nailing the primary endpoint in a phase III randomized, double-masked, vehicle-controlled dry eye chamber trial of 0.25% ophthalmic solution.

Another complete response letter from the U.S. FDA for Regeneron Pharmaceuticals Inc.’s age-related macular degeneration (AMD) therapy Eylea (aflibercept) – along with disappointing sales of the VEGF inhibitor – dented shares (NASDAQ:REGN) by $41.95. They closed April 29 at $568.91, having traded as low as $542.44 during the day.

Scientists from the Machine Intelligence from Cortical Networks (MICRONS) consortium have published the microconnectome of a cubic millimeter of the mouse brain. This is the most complete map of this organ to date at nanometer resolution for a mammal. It not only contains the structure and connections of each and every cell in that volume of tissue, but is also linked to the neuronal activity of that portion of the CNS, linking anatomy and function in the same cells.

Aldeyra Therapeutics Inc. is hoping that research already underway will satisfy the U.S. FDA, which delivered to the company another complete response letter (CRL) related to the NDA for reproxalap in dry eye disease (DED).