• Qi-Bin Xu, Zhi-Yi Hu, and Shuang-Qing Wu.
• Department of Ophthalmology, Zhejiang Medicine and Western Medicine Integrated Hospital, Hangzhou Red-Cross Hospital.
• Medicine (Baltimore). 2021 Mar 12; 100 (10): e24910e24910.

RationaleOcular metastasis of renal cell carcinoma (RCC) is rare, and mainly located on the choroid. We report a choroidal metastasis from RCC, which was recorded by a smartphone with an interface eyepiece adapter mounted on a slit lamp.Patient ConcernsA 45-year-old female presented with 1-month history of painless occlusion of the vision field on the left eye, who had undergone right nephrectomy for RCC 19 months ago.DiagnosesA smooth, hemispherical and brown protrusion was found behind the pupil nasally. An enhanced computed tomography scan of the orbit showed a slightly high-density hemispherical nodule involving the nasal portions of the left eyeball, the enhancement of the lesion was obvious and homogeneous. A metastatic choroidal space-occupying lesion from RCC was highly suspected according to the clinical and radiological findings.InterventionsThe patient was advised to undergo further treatment, such as radiotherapy.OutcomesThe images of choroid metastasis were recorded by the smartphone with the interface eyepiece adapter mounted on the slit lamp handily.ConclusionsThe smartphone with an interface eyepiece adapter mounted on the slit lamp can be widely used to record the precious images in the clinic in a timely manner.Copyright © 2021 the Author(s). Published by Wolters Kluwer Health, Inc.

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