You should lift lighter weight with far more repetitions I would think.
You should stop and stretch or walk around, just cool off and loosen your muscles. If you are lifting weights and you feel pain, then maybe the weight is to heavy.
Strabismus may cause reduced vision, or amblyopia, in the misaligned eye. The brain will pay attention to the image of the straight eye and ignore the image of the crossed eye. If the same eye is consistently ignored during early childhood, this misaligned eye may fail to develop good vision, or may even lose vision.
