Dear All, Thanks For Reading.
Lines on the Snellen chart are as follows
Use distance glasses
6 Able to read at 6m what can normally be read at 6m
‘6/6’
‘9 Able to read at 6m what can normally be read at 9m
‘6/9’
12 Able to read at 6m what can normally be read at 12m
‘6/12’
18 Able to read at 6m what can normally be read at 18m
‘6/18’
24 Able to read at 6m what can normally be read at 24m
‘6/24’
36 Able to read at 6m what can normally be read at 36m
‘6/36’
60 Able to read at 6m what can normally be read at 60m
‘6/60’
Counts fingers; counts fingers held ½m distance
‘CF’
Hand movement; perceives hand moving ¼m distance
‘HM’
Perceives light; can see a torchlight when shone into eye
‘PL’
No light perception, abbreviated to ‘no PL ’, ie blind
‘no PL’
m = metres
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