Photophobia

Definition

Photophobia is a condition characterized by an increased sensitivity to light, causing discomfort or pain in the eyes. It is often associated with various ocular and systemic conditions.

5 Must Know Facts For Your Next Test

1. Photophobia can be a side effect of certain ophthalmic drugs, such as those used to dilate pupils during eye exams.
2. Common causes of photophobia include migraines, meningitis, and corneal abrasions.
3. Treatment for photophobia may involve wearing sunglasses or tinted lenses to reduce light exposure.
4. Patients with photophobia may also experience symptoms like excessive tearing and squinting in bright environments.
5. Certain medications, including some antibiotics and antipsychotics, can worsen photophobia.

Review Questions

• What are common causes of photophobia?
• How can photophobia be managed or treated in patients?
• Which types of medications are known to exacerbate symptoms of photophobia?

Related terms

Mydriasis:

The dilation of the pupil, which can increase sensitivity to light.

Corneal Abrasion: A scratch or injury on the cornea that can cause significant pain and sensitivity to light.

Migraine: A type of headache that can lead to severe head pain and is often accompanied by symptoms like nausea and photophobia.