The normal corneal will not appear black spurs, corneal is generally a clear border, the surface is smooth white bumps. The black thorns inside the corneal may be caused by bruising or the formation of plantar warts manifested as black thorns: 1, bruising: corneal after a long period of friction, squeezing, may appear corneal internal bleeding symptoms, under the naked eye observation bruising presents black thorns. The symptoms of bleeding inside the corneal need to avoid friction and pressure on the corneal to avoid aggravating the bleeding situation. The actual fact is that you can find a lot of people who have been in the business for a long time. After removing the keratin layer, you can see the soft core of the keratin, surrounded by the formation of small black spots of broken capillaries, the naked eye may be black spike-like. Some plantar warts can subside on their own, but if they spread, or if the pain or lesions are more severe, they need to be treated accordingly according to the doctor’s diagnosis. The actual fact is that you can find a lot of people who are not able to get a good deal on a lot of things.