You may start to experience partial or full loss of your sight, whether temporarily or permanently. This is a major symptom of eye cancer. You might experience the loss of peripheral vision or start experiencing tunnel vision. This happens when you see things as if you were in a tunnel. Whether you've lost only part of your site or all, it this is one of the scarier symptoms. It may signal a more advanced stage of cancer and would mean that you should go to the eye doctor.
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