There are many eye illnesses other than color blindness that can have a negative impact on your vision. This website touches briefly on the cause and effect of cataracts, keratoconus, and the cause and effect of myopia and hyperopia (short sightedness and long sightedness) – the most common vision hampering problems humans suffer.
Also discussed are the potential ways to cure or correct these eye illnesses, for cataracts eye surgery is the only way, for short and long sightedness laser eye surgery is preferable to most who can afford it, but corrective lenses in the form of glasses or contacts are also available.
Through the menu on the left you can browse these informative pages to learn more about the respective issues and solutions.