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Indian J Ophthalmol. 2010 Nov-Dec; 58(6): 559–560.
PMCID: PMC2994010

Corneal lesions in erythema multiforme minor – Are systemic steroids indicated?

Dear Editor,

We have read with interest the brief communication “Coin-shaped epithelial lesions following an acute attack of erythema multiforme minor with confocal microscopy findings” by Babu et al.[1] We appreciate that the authors have drawn attention to this relatively uncommon finding. Regarding the treatment of erythema multiforme (EM) minor, we would like to present few points.

EM is an acute and a self-limiting mucocutaneous hypersensitivity reaction associated with certain infections, medications, and other various triggers. EM minor is considered the mildest form of EM. It is characterized by skin eruption with or without mucosal involvement and may present with a wide spectrum of severity. Ocular involvement in EM minor is usually mild and may manifest as red conjunctivae, chemosis and lacrimation. We also recently came across a case of simultaneous presentation of bilateral coin-shaped discrete and few coalesced epithelial lesions with EM minor.

A 17-year- old female presented with sudden diminution of vision in both eyes since 5 hrs. She had watering and irritation in both eyes along with a history of cold and cough for 3 days. There was no history of any drug intake. On ophthalmic examination, her best-corrected visual acuity was 20/40 in both eyes. Slit-lamp examination in both eyes revealed multiple coin-shaped epithelial lesions, few coalesced and some showing central clearing [Fig. [Fig.1a1a and andb].b]. There was no involvement of stroma. Corneal sensation and the rest of anterior segment and posterior segment were normal. On general inspection, she had multiple papular rashes on face, arms, and legs [Fig. 2] for which she was advised to consult a dermatologist, who diagnosed EM minor, and advised symptomatic treatment. The erythrocyte sedimentation rate was 45 mm/h and total white blood count was 11,000 cells/mm3 with predominant neutrophils (70%). For corneal lesions, she was prescribed topical steroid drops four times a day along with lubricant drops and acyclovir eye ointment 3% three times a day. Corneal lesions resolved within a week. Visual acuity improved to 20/20 and slit-lamp examination showed normal corneal epithelium [Fig. [Fig.3a3a and andbb].

Figure 1
(a) Slit-lamp photograph of the cornea in diffuse illumination showing coin-shaped discrete and coalesced lesions with central clearing in some lesions. (b) Slit-lamp photograph in slit illumination showing discrete and coalesced coin-shaped epithelial ...
Figure 2
Photograph of the face showing papular skin lesions
Figure 3
(a) Slit-lamp photograph showing disappearance of corneal lesions (diffuse illumination). (b) Slit illumination showing disappearance of corneal lesions

In the literature (Medline search),[24] it is described that for all forms of EM, no specific treatment is available but the most important treatment is usually symptomatic supportive care, with the identification and removal of the trigger factor. Systemic corticosteroid therapy is controversial and has no effect on the severity of ocular manifestations and prognosis. Some believe it may predispose to complications. EM minor is typically asymptomatic and the lesions may clear up themselves within 2–3 weeks even without treatment.

We report this case to highlight that epithelial lesions associated with EM minor have responded well to topical steroid drops and completely resolved in a week’s time.


1. Babu K, Murthy VR, Akki VP, Prabhakaran VC, Murthy KR. Coin - shaped epithelial lesions following an acute attack of erythema multiforme minor with confocal microscopy findings. Indian J Ophthalmol. 2010;58:64–5. [PMC free article] [PubMed]
2. Power WJ, Ghoraishi M, Merayo-Lloves J, Neves RA, Foster CS. Analysis of the acute ophthalmic manifestations of the erythema multiforme/Stevens- Johnson syndrome/ toxic epidermal necrolysis disease spectrum. Ophthalmology. 1995;102:1669–76. [PubMed]
3. Chang YS, Huang FC, Tseng SH, Hsu CK, HoCL, Sheu HM. Erythema multiforme, Stevens- Johnson syndrome and toxic epidermal necrolysis: Acute ocular manifestations, causes and management. Cornea. 2007;26:123–9. [PubMed]
4. Farthing P, Began JV, Scully C. Mucosal disease series. Number IV. Erythema multiforme. Oral Dis. 2005;11:261–7. [PubMed]

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