Dissolving eye implant the size of a grain of sand could help save the sight of glaucoma patients 

An eye implant measuring just 0.2mm by 1mm could revolutionise the treatment of glaucoma, a condition that affects 500,000 Britons and is a leading cause of blindness. https://www.dailymail.co.uk/health/article-8518721/Dissolving-implant-eye-help-save-sight-glaucoma-patients.html?ns_mchannel=rss&ns_campaign=1490&ito=1490