In 1917 a clinic was opened by the ‘Vereeniging Soerabajasche Oogheelkundigen’. It was a specialized hospital for eye diseases, established at the Undaan Koelon.
Nowadays, at the same location one may find the Rumah Sakit Mata Undaan. Latitude: -7,25 and Longitude: 112,74. One may find information on this hospital on the website http://www.rsmataundaan.co.id