with large or deep scars from nonhealing abrasions, might need an operation called a superficial keratectomy.Deep scratches can cause infections,scars, and other problems. If you don't get help for them, they can lead to long-term vision problems. Report any unusual symptoms,...
In the case ofbrittle materialswith lowfracture toughness, wear occurs bybrittle fracture(Bhushan, 2013). In these cases, the worn zone involves significant cracking. The “abrasive wear” term refers to two distinct wear mechanisms;(i) two-body abrasionand(ii) three-body abrasion. Both situatio...