Hypermetropia is about.

As bad vision to near, with an imagine focusing as not on eye retina, and behind her,as with a loosing absorbing clear for vision images, and mechanism is,like in myopia, but with a back sign, as eye size is small as less on 23.5 mm or lens is weak refraction   force.As to the 40 y.old in a person happening sclerotic changes in lens, leading to hardening theirs nucleus, as eyes disordering to accommodation as weak muscles regulating for lens curvature, as display presbyopia or adult hypermetropia as in normal vision she happening on 4-45 y.old, or later, as to 70 y.old lens loosing changing an own radius for curvature,thus are needing glasses often wearing as for near, and for a far.
Symptoms are hard differencing images to the near, looking small images improving in eye move from, worsening far vision in a big levels for hypermetropia, fatigue eyes in reading, over loading eyes in work are headaches, burning in eyes, an often blepharitis, stye, conjunctivitis, as children's are not complain on the vision, first symptoms are far from an eye diseases, children is bad teaching, tired faster in vision loads, capricious.

As in absence for symptoms a first vision sharpness checking on 3.5 y.old as after on every 4 year.
Diagnosis putting by definition for vision sharpness, eyes hole test. tonometria, perimetria.
As cure are glasses or lenses with and to the school as wearing glasses on the big distance and in a high level as for constant wearing, in right optic correction are keeping work capacity and vision, as with remedies using.
in a high vision loads are vitrum vision, digofton, mertilene forte, strix.
As of surgery using ceratoplastic laser, changing lens, implanting of positive lens.