In That Case Expedient Would Be After Such

In that case expedient would be after such - which conduct to the certain loading of eye muscles, To follow a policy of weakening exercises - , - , greater(big) turns, etc. According to theory , the reason of deterioration of sight - effort to see, leading a pressure(voltage) certain (Opposite ) groups of muscles. So short-sighted The person at sight afar continues to strain " by inertia " and On a habit slanting muscles of eyes. Far-sighted, on the contrary, at Sight close starts to strain direct muscles of eyes. In - both of them suffer(bear) failure at sight on desirable - . In such situation a relaxation of unnecessary muscles, which Preaches , - the most necessary condition of fulfilment - accommodations, i.e. focusings on object of sight. But it is not enough relaxation of unnecessary groups of muscles for Realization of accommodation. It is necessary still corresponding(meeting) - necessary for focusing on the given distance of muscles. At sight close are slanting muscles of eyes, at sight afar- These are direct muscles.