Qi desertion"is not the same as systemic failure syndrome of Qi without internal concentration and a lot of Qi out-deserting.Genuine Qi in eyes deficiency may also lead to"poor eyesight".Various functional decline of Qi is the main cause of eye diseases

which is also the main pathogenesis of eye disease syndrome development.Defense

warming

activating

controlling and transforming functions decline of Qi could lead to"poor eyesight".As for therapy

in Qi deficiency

the treatment should be invigorating Qi.In clear yang not ascending

the treatment should be elevating.In Qi deficiency and blood stasis

the treatment should be benefiting Qi

resolving stasis and removing obstruction in collaterals.In Qi failing to control blood

the treatment should be benefiting Qi and controlling blood.In Qi transformation dysfunction

the treatment should be warmly invigorating spleen-kidney and regulating Sanjiao（三焦）.