Emergency visits are those patients experiencing any of the following: acute pain, chemical burns, injuries and sudden loss of vision, or what your doctor may have deemed as emergent. It is vital that these patients are seen by the doctor within one hour of calling in. The effects of vision loss or damage may be irreversible. Once the patient is in your office the priority becomes identifying the problem and evaluating the damage and preserving what vision they have left. Time is of the essence.