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Effects of systemic targeted immunosuppressive therapy on ocular surface.

PURPOSE OF REVIEW
The purpose of this review is to give an overview of the corneal manifestations of targeted systemic immunotherapies and provide guidelines for management when applicable.


RECENT FINDINGS
The advent of newer systemic immunosuppressive therapy has resulted in the need for more awareness of potential ocular side effects. Side effects can range from vortex keratopathy as seen with the tyrosine kinase inhibitors, to epithelial microcysts as reported in the use of cytarabine and belantamab mafodotin, spontaneous corneal perforations have been reported with programmed death 1 inhibitors, while eyelid cicatrization has been reported epidermal growth factor inhibitors. Several immunomodulatory therapies result in conjunctivitis which tends to respond to topical lubrication and corticosteroid treatment. Most manifestations listed in the review are limited to the anterior segment; however, some may lead to retinal and optic nerve changes which can be permanently damaging.


SUMMARY
Ocular surface and corneal changes secondary to systemic immunosuppression can affect main components of the ocular surface. Although most adverse effects are reversible, few changes can be permanent and therefore close ophthalmologic monitoring is necessary.