Ann: Security Class Reinstatement to Quotation- OPTOB, page-615

The question I had with letters is that if those letters are all on the same line then it shouldn’t really matter if they can read 1,2 or 5 on that line as they are the same size. I thought it would be more important if patient can read something on the next line e.g smaller size font

Also maybe some people can read specific letters better than others like A might be easier to read than E and F (or O and Q) as they look similar so I wonder how this can be negated in the scientific method around BCVA