eye disorders
Superficial Punctate Keratitis
Introduction
Superficial punctate keratitis is corneal inflammation of diverse causes characterized by scattered, fine, punctate corneal epithelial loss or damage. Symptoms are redness, lacrimation, photophobia, and slightly decreased vision. Diagnosis is by slit-lamp examination. Treatment depends on the cause. Superficial punctate keratitis is a nonspecific finding. Causes may include any of the following: Viral Conjunctivitis (most commonly adenovirus) Blepharitis None Keratoconjunctivitis Sicca None Trachoma None Ocular Burns None Ultraviolet keratitis (eg, welding arcs, sunlamps, snow glare) Contact Lenses None Systemic drugs (eg, adenine arabinoside) Topical drug or preservative toxicity Facial Nerve Palsy (including Bell palsy) Symptoms include photophobia, foreign body sensation, lacrimation, redness, and slightly decreased vision. With Viral Conjunctivitis , preauricular adenopathy is common and chemosis may occur. Slit-lamp examination or ophthalmoscope examination of the cornea reveals a characteristic hazy appearance with multiple punctate speckles that stain with Keratitis that accompanies adenovirus conjunctivitis resolves spontaneously in about 3 weeks. Blepharitis , 