首楞嚴義疏注經 2.444

2.444

影若從彼眚者見發，其見爾時已成於影，不合名見，見圓影者復是何物？色即影也。

If the halo arises from the seeing of that person with the cataract, his seeing at that time has already become the halo and should not be called seeing; what then is that which sees the circular halo? Color is the halo.