Low degree is easy to train away. Higher degree takes longer time but is definately possible.
Hyperopia is usually something you have from childhood. Often very strong plus lenses are prescrbed. Training involve releasing eyestrain and builiding up visual power.
Astigmatism is usually something you have alongside some other vision proble. Astigmatism is normally easy to train away.
The need for reading glasses is easy to reverse if you just started wearing low power reading glasses. If you wear progressive lenses it may take lone and you need to gradualy reduce lens power as you imporve.
Eye coordination is how well does your eyes work togther. If not you will have eye strain and get tired when reading
Strabismus is when one of your eyes turn in or out. Vision training is highy efective traning the brain inhow to use both eyes at the same thime.
Amblyopia is when there is a large difference between the eyes. The brain suppress the image of the weaker or diverging eye. There re different kings of Amblyopia. Training is effect but may take some time.
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