Left one with nothing to read (6)

I believe the answer is:

erased

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'left' is the definition.
The answer and definition can be both related to change as well as being past participle verbs.
Maybe they are linked in a way I don't understand?

I don't understand how the rest of the clue works.

Can you help me to learn more?

(Other definitions for erased that I've seen before include "Rubbed out, expunged" , "Removed by rubbing" , "torn off" , "Rubbed out, deleted" , "Obliterated" .)

I've seen this clue in the Evening Standard.

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