Hi, "After my eye surgery, there's a big chance i won't regain my full eye vision" It's OK, but it's not clear whether you have already had the surgery or not. If you have not, and you want to make that clear, say "After my eye surgery, there will be a big chance i won't regain my full eye vision" You don't need to include the word 'eye'. You need to capitalize one of the words in your sentence.
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