气血不足（insufficiency of qi and blood）即中医学中的气虚和血虚。气血不足的结果会导致脏腑功能的减退，引起早衰。气虚即脏腑功能衰退抗病能力差，表现为畏寒肢冷、自汗、头晕耳鸣、精神萎靡、疲倦无力、心悸气短、发育迟缓。血虚可见面色无华萎黄、皮肤干燥、毛发枯萎、指甲干裂、视物昏花、手足麻木、失眠多梦、健忘心悸、精神恍惚。 气血不足属气血同病。气血亏虚则会形体失养，以神疲乏力、气短懒言、面色淡白或萎黄、头晕目眩、唇甲色淡、心悸失眠、舌淡脉弱等为常见证候。
适用于气血不足引起的低血压眩晕。
Is suitable hypotension dizziness which causes insufficient in the vitality.
结论从临床观察证实了弱视的病机是肝肾精亏、脾胃虚弱、气血不足。
Conclusion It is proved that the pathogeny of amblyopia is insufficiency of liver and kidney, weakness of the spleen and stomach and deficiency of Qi and blood.
近视，偏食一物，寒食不断，面色萎黄，或有虫斑，精神不振，记忆减退，舌淡脉弱，乃气血不足之象。
Myopia, indulgence of certain food, preference to cold food, sallow complexion or with insect spots, lassitude, poor memory, pale tongue, weak pulse indicating insufficiency of Qi and blood.
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