Vision,Diminished

《英文msh词典》Vision,Diminished
[入口词] Vision,Diminished
[主题词] Vision,Low
[英文释义] Vision considered to be inferior to normal vision as represented by accepted standards of acuity,field of vision,or motility. Low vision generally refers to visual disorders that are caused by diseases that cannot be corrected by refraction (e.g.,MACULAR DEGENERATION; RETINITIS PIGMENTOSA; DIABETIC RETINOPATHY,etc.).