along coastal region border region

Arid region and semiarid region

Bachu Region of Xin jiang Autonomous Region

Electric power transmission from western region to eastern region

gas conduction from western region to eastern region

infra-black region (blacker than black region)

Accommodative posterior chamber intraocular lens

Accomodative intraocular lens

acute high intraocular pressure

Akreos Adopt intraocular lens

Akreos intraocular lens

anterior chamber intraocular lens

Anterior chamber intraocular pressure

Anterior chamber phakic intraocular lens

anterior fibrinous membrane of intraocular lens

anterior intraocular surgery

anterior membrane of intraocular lens

anterior segment intraocular foreign bodies

Aspheric intraocular lens