A Deep Anterior Lamellar Keratoplasty is a surgical treatment in which it replaces the outer two layers of the cornea with a donor Carena. The main focus of DALK is to treat corneal diseases. It affected the anterior stroma of the cornea. It will treat conditions that affect the front layers of the cornea. If a person is having a problem with corneal scars or abnormal bulging, or the cornea gets thin and bulges, So, then the person will need treatment for Deep Anterior; Lamellar Keratoplasty. You will get a benefit from DALK, it preserves the individual’s endothelium and descemet’s membrane.