Brief Answer:
This can occur because of dehydration and hypovolemia.

Detailed Answer:

Hello
Welcome to Health care Magic.

I reviewed your history.
It seems from the history that you are having episodes of double vision following strenuous weight lifting and physical activity. Physical activity will not cause double vision directly but it can cause temporary double vision because of dehydration and hypovolemia. This is normal and it can be prevented by maintaining adequate hydration by intake of fluids.

Hope this is helpful to you.
Do write back to me for further questions.

Thank you
With regards

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