👉 Hyperkeroses are benign, non-cancerous tumors that can develop in the eye. They are typically found on the surface of the eye or in the cornea (the clear outermost layer of the eye). These tumors can cause symptoms such as redness, pain, and sometimes vision loss if they grow too large. However, some people may be born with these types of tumors, which is called an atypical hyperkeratoses.