Chalazion (also known Meibomian cyst) is a cyst in the eyelid due to a blocked oil gland. They are typically in the middle of the eyelid, red, and not painful. They tend to come on gradually over a few weeks.A chalazion may occur following a stye or from hardened oils blocking the gland. The blocked gland is usually the meibomian gland but can also be the gland of Zeis. A stye and cellulitis may appear similar. A stye, however, is usually more sudden in onset, painful, and occurs at the edge of the ...
Wikipedia дээрээс уншина ууШинж тэмдэг эсвэл өвчний талаар бичиж, тус болох ургамлын талаар уншиж, өвслөг ургамлыг бичиж, өвчний эсрэг шинж тэмдгийг үзээрэй.
* Бүх мэдээлэл нь хэвлэгдсэн эрдэм шинжилгээний судалгаанд үндэслэсэн болно