What is COIN

COIN is a global research consortium established in 2019 as a common platform connecting like-minded researchers worldwide. We aim to contribute to the progress of eye research for many years to come.


Choroidal Vascularity Index
Vitreous Haze Index
Retinal Vascularity Index

Recent activities of the COIN consortium

  • Latest publications

    • ‘Exploring choroidal angioarchitecture in health and disease using choroidal vascularity index’ – Progress in Retinal and Eye Research Read Article
    • ‘A longitudinal study of choroidal vascular changes in patients with diabetes’ – Diabetes and Vascular Disease Read Article
    • ‘Choroidal structural changes in smokers measured using choroidal vascularity index’ -IOVS Read Article
    • ‘Choroidal Structural Changes in Sympathetic Ophthalmia on Swept-Source Optical Coherence Tomography’ -Ocular Immunology and Inflammation Read Article
    • ‘Choroidal structural changes in preterm children with and without retinopathy of prematurity’ -Acta Ophthalmologica Read Article

  • Grants awarded

    • VHI: Ng Teng Fong Healthcare Innovation Programme Grant (Singapore)
    • CVI: Ng Teng Fong Healthcare Innovation Programme Grant (Singapore)
    • CVI: National Medical Research Council CS-IRG New Investigator Grant (Singapore)

  • Recent conference attendance

    • CVI: Oration lecture and keynote address by A/Prof Rupesh Agrawal @ MOSCON 2019, Nagpur, India

Important Documents

All CVIgrid users are to read thoroughly and sign the CVI Grid handbook and Consortium agreement. After signing, the documents can be sent to cvi.grid@gmail.com to obtain membership and access to image analysis platform for CVI.

CVI Grid HandbookDownload
Consortium Agreement for CVI Grid Download
CVI Grid BrochureDownload