How do you approach evaluating patients with suspected neuropathic corneal pain?

Start by taking a good history. Certain diagnoses, such as diabetes, previous cranial surgery, and/or radiation, and a history of varicella zoster keratitis should make you suspicious. If you suspect neurotrophic disease, don’t put any drops in the eye until you’ve had a chance to visually inspect t...

Usually, I start suspecting neuropathic pain when symptoms start months to years after surgery (mostly refractive, but also after cataracts). There is no single test to diagnose it; rather, it is a diagnosis of exclusion, with patients having constant debilitating pain with little to no clinical sig...