What is it?

Thygeson's superficial punctate keratitis (TSPK) is a rare and chronic inflammation of the cornea, the clear outer layer of the eye. It typically affects both eyes and is characterized by the appearance of small, round, gray-white spots on the cornea, which can cause discomfort, light sensitivity, and blurred vision.

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Additional names

This group contains additional names:
- Thygeson's disease

Signs & symptoms

Symptoms of TSPK may include:

- Eye redness
- Sensitivity to light
- Blurred vision
- Foreign body sensation in the eye
- Tearing


Diagnosis of TSPK may involve a comprehensive eye exam, including a detailed medical history and visual acuity testing. An eye doctor may also use a slit-lamp microscope to examine the cornea and identify the characteristic small, round, gray-white spots.


Treatment for TSPK typically involves the use of topical steroids to reduce inflammation, along with lubricating eye drops to relieve discomfort and improve vision. In some cases, an eye doctor may prescribe antibiotics or antiviral medications if an infection is present. TSPK may be a chronic condition, and long-term management may be required to prevent recurrences.

☝️ This is not a substitute for professional medical advice. Please consult with your physician before making any medical decision.

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