The views when a cup is full are different in different cultures. I found out that as a Stargardter I can get into an insoluble situation when filling a cup.
Cells, Free Full-Text
California - Stargardt's Disease, RG, AF, FA
Optic Disk Cup - an overview
Professor Nick Stargardt
Stargardt disease-associated in-frame ABCA4 exon 17 skipping results in significant ABCA4 function, Journal of Translational Medicine
Cureus, A Rare Occurrence of Stargardt Disease in a Quadragenarian Adult
Stargardt's Macular Dystrophy — The Low Vision Centers of Indiana
Ultrastructural alterations in the retinal pigment epithelium and photoreceptors of a Stargardt patient and three Stargardt mouse models: indication for the central role of RPE melanin in oxidative stress [PeerJ]
Inherited Retinal Diseases > Stargardt Disease + Fundus Flavimaculatus - Retina Rocks
stargardt's disease Awareness' Small Buttons
Stargardt Disease Macular Disease Foundation Australia