The patient has been brought to the emergency department following a motor vehicle accident. The ...

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An important aspect of an eye examination is to determine if the patient wears contact lenses, especially in patients who are unresponsive. To determine whether a contact lens is present, stand to the side of the patient's eye and observe the cornea for the presence of a soft or rigid lens. It is also important to observe the sclera to detect the presence of a lens that has shifted off the cornea. An undetected lens causes severe corneal injury when left in place too long. Never assume that glasses were lost or were not worn. Contacting ambulance personnel takes time. Examine the eyes.