Fungal keratitis is a complication of refractive surgery that, if not treated in time, can lead to blindness. Given the lack of effective topical treatments for fungal ulcers, surgical treatment is necessary. The least invasive procedure is a cross-linking pack, although it has limitations when the fungus has penetrated the deep layers of the cornea. In this case report, a patient that presented a typical case of fungal corneal ulcer with hand motion perception, on the fourth day after surgery, is described. Given the nonresponse to topical antifungal treatment, plasma treatment was performed prior to cross-linking. Plasma acts by nonmechanical debridement of the ulcer, reducing the fungal colonies and allowing better penetration of riboflavin. After 6 months, the cornea remained transparent, without haze, and the patient achieved 20/25 vision.

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Background. The COVID-19 virus infection can develop ocular manifestations.Purpose. To report a case of a coats disease patient who was evaluated one week before as part of a routine retinal consultation and later had COVID-19 with sudden loss of vision in one eye. Material and Methods. The affected eye had a visual acuity of 20/400. At fundus examination abnormal tortuous vasculature, hemorrhages, branch retinal vein occlusion and macular edema were found. It was confirmed with fluorescein angiography and optical coherence tomography. Results. With a combined therapy of intravitreal Aflibercept, periocular triamcinolone and focal laser was recovery the visual acuity to 20/20. Conclusion.There are few cases described in literature, but a sudden loss of vision during a COVID-19 infection must be early detected and treated to achieve a better visual acuity recovery.