partially sighted

...The younger the age at which these causes occur and the longer they continue, the more severe the degree of amblyopia and the more difficult it becomes to recover from, but if the causes are eliminated at the appropriate time and recovery training is undertaken, there is a possibility of improving vision. (2) Educational/social amblyopia partially sighted: A condition in which vision has deteriorated due to various ophthalmic diseases, resulting in vision in both eyes of 0.04 or more but less than 0.3. In this case, special consideration is required, such as the use of amblyopia glasses during school or work, enlarged print, and classes for amblyopia, as vision cannot be expected to improve through treatment or training. ...

*Some terminology explanations that mention "partially sighted" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…これらの原因が年齢のより低いときにおこるほど，また長く続くほど，弱視の程度は著しくなり回復困難となるが，適切な時期に原因をとりのぞき回復訓練を行えば，視力向上の可能性がある。(2)教育的･社会的弱視partially sighted　種々の眼科的疾患によって視力が低下し，両眼での視力が0.04以上0.3未満になったもの。この場合は，治療訓練によって視力の向上が期待できないので，学業や仕事時に，弱視眼鏡を利用したり，拡大文字，弱視学級などの特別な配慮が必要となる。…

※「partially sighted」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報