Clinically a clear distinction between headache, facial pain, and eye pain is not always apparent, but when present, it helps in the diagnostic approach. In this update we will categorize pain ...

I've always had almost 20/20 vision in my left eye, but over the past couple of years, my right eye has become ... the ...

You should also be aware that if you are over 50 and have a new headache and vision changes, you should see a doctor. You should also keep an eye out for scalp tenderness and pain whilst chewing.

Table 1. Causes of Headache and Third-Order Horner's Syndrome Dr. Jurkunas is affiliated with the department of cornea and external disease, Massachusetts Eye and Ear Infirmary, Boston ...