这个词是什么意思？
Qualified professionals trained in primary eye and vision care, including measurement of visual abilities, diagnosing disorders of the visual system and provision of treatment such as prescriptions for correction of visual defects with lenses or glasses and vision therapy.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D000072162 · MeSH 2026。
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