[Problem] The purpose of the present invention is to provide a neuroprotective agent which is capable of effectively protecting intraocular cells including optic nerves and is effective as a composition for ophthalmic membrane staining in cases where removal of an ophthalmic membrane is carried out. [Solution] The purpose is achieved by a neuroprotective agent which contains, as active ingredients: Brilliant Blue G, a pharmaceutically acceptable salt thereof or a harmaceutically acceptable solva...

[Problem] The purpose of the present invention is to provide a neuroprotective agent which is capable of effectively protecting intraocular cells including optic nerves and is effective as a composition for ophthalmic membrane staining in cases where removal of an ophthalmic membrane is carried out. [Solution] The purpose is achieved by a neuroprotective agent which contains, as active ingredients: Brilliant Blue G, a pharmaceutically acceptable salt thereof or a pharmaceutically acceptable solv...

[Problem] The purpose of the present invention is to provide a neuroprotective agent which is capable of effectively protecting intraocular cells including optic nerves and is effective as a composition for ophthalmic membrane staining in cases where removal of an ophthalmic membrane is carried out. [Solution] The purpose is achieved by a neuroprotective agent which contains, as active ingredients: Brilliant Blue G, a pharmaceutically acceptable salt thereof or a pharmaceutically acceptable solv...