This may cause involuntary eye movement and double vision, alongside dizziness, nausea and difficulty swallowing.

Writing in Clinical Case Reports, the authors explained: “In case of unusual visual disorders, suspicion of an underlying malignancy should arise.

“Due to the simple fact that malignancies can occur in different organs, we strongly encourage that every clinic should be aware of the phenomenon of cancer-related retinopathy.”

In some cases, disturbances in vision can result from a metastasis cancer, which is clinically referred to as orbital metastases.

Post source: Daily Express