Headaches From Eye-Strain

Eye strain from convergence insufficiency.

Eye strain and headache are common ocular symptoms, and the main cause in persons aged 15 to 40 is convergence insufficiency. It is more common in females than in males. Many patients are supplied with glasses for eye strain without the causative convergence insufficiency being treated. The treatment in most cases is orthoptic exercises.

Eye Strain

He says : With the parts thus rendered specially receptive to infective germs there is little difficulty in understanding that inflammations should ensue, and thus we find that blepharitis, corneal ulcers, phlyctsenulse, iritis, cyclitis, and glaucoma may have eye strain as one of the predisposing causes. There is also little doubt that cataract may be started by the irregular contraction of th...

Eye Strain and Convergence

Brain tumor headaches: from bedside to bench.

Although most people who have headache pain do not present with an underlying mass lesion, a large number of patients with brain tumors do report headache (as many as 60% in our institution). The problem for clinicians is that the tumor-headache association is not universal, as evidenced by anecdotal reports of patients with large tumors and increased intracranial pressure, but a complete absen...

Unusual headaches

Headaches presented with unusual manner like cough, exertion, and sex, poses a diagnostic challenge in the emergency room or primary care provider's office. The majority of these patients have no underlying intracranial pathologic condition and have a good prognosis. Since the pathophysiology is poorly understood, treatment choices are limited. Further research is needed to elucidate the pathop...