The development of theranostic applications of nanomaterials has presented researchers with a new form of diagnosing and treating diseases, such as cancer, Diabetic Retinopathy, and Age-Related Macular Degeneration. Theranostic have allowed for a bridge between conventional medicine and personalized medicine with the use of nanomaterials. The applications of nanomaterials within medicine (nanomedicine) have changed the diagnosis, monitoring, control, treatment, and prevention of diseases. The effects of the biological interaction of nanomaterials within the human body must be examined further to understand the efficacy, toxicity, and biodistribution. The use of theranostic application of nanomaterials has gained attention in the field of Ophthalmology. The use of theranostic nanomaterials to reduce current treatments, complications, diagnosis, reduce the effects and treat a visually threatening disease is appealing. The benefit of treating ocular diseases with theranostic will allow for better visibility and targeted treatment.

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