Cupcake vs Muffin. With a cup of piping hot coffee, or a glass of frothy cold milk, no one can deny that a pastry is a welcome treat. If you go into a bakery, there are many pastries from which to choose, some of which look startlingly different, such as Danishes to some that look remarkably similar such as cupcakes and muffins.
Other factors can contribute to healing time but usually the eye heals quickly from a simple abrasion. In brief: Quickly. Generally speaking 24-48 hours for the epithelium to heal a corneal abrasion or scratch. Other factors can contribute to healing time but usually the eye heals quickly from a simple abrasion.  In brief: Quickly.
During the first 24-48 hours, place an ice pack lightly on the black eye for about 20 minutes of each waking hour. Do not leave ice on the eye for more than 20 minutes at a time. After the first 48 hours, changing from ice to heat may improve healing. Again, only about 20 minutes at a time, about once an hour. Watch the eye for swelling or infection.