Wills Ocular Melanoma Calculator
the "to find small ocular melanoma" calculator


The Wills Ocular Melanoma Calculator was developed to assist in rapid estimation of risk of choroidal nevus transformation into melanoma. Previously published risk statistics are collated based on user input of the presence or absence of risk factors. Statistical methods used to determine risk factor significance are explained in their respective references.

Limitations and Cautions

Estimated risks presented here only apply to tumors 3.0 mm or less in thickness. The computation of relative risk assumes independence among the factors which may not be the case. The estimated risks presented here are derived from two studies. There is no guarantee that the predicted risk is accurate for individual patients.

Terms of Use

By using the Ocular Melanoma Calculator, you agree that this website and the information and processes contained herein, shall not be held liable or otherwise responsible for any decision, actions taken, or actions not taken that may result from the use of this website and the information provided. You are advised to consult with a professional health care provider prior to making any health related decisions or acting/not acting upon them at any time. The Ocular Melanoma Calculator is intended as an aid to be utilized by qualified clinicians. The information provided on this website should not be used as medical advice or to diagnose or treat any health condition. The results of The Ocular Melanoma Calculator are subject to change as research on many aspects of melanoma continues. Individuals should rely strictly on the advice of their physician. The creators of this website and to the data represented herein, make no warranties nor expressed or implied representations whatsoever regarding the applicability, accurateness, completeness, usefulness or controversial nature of the contents of this site or of any references contained herein. The creators do not endorse or claim validity for any information or processes found on this website . The creators of this website, its affiiiates and contributors do not assume any risk for use of this website in any fashion. An individuals use of this website does not create an expressed or implied physician/patient relationship. The Ocular Melanoma Calculator does not record any user specific information nor does it collect any other data that can be traced to a specific user. This site may collect statistical data only concerning the number of visitors to the site and their geographical region.


For consultation by the ocular oncology service at Wills Eye Hospital: oncology@willseye.org, 215-928-3105
For suggestions regarding the ocular melanoma calculator, please contact: mullman@gmail.com
For questions regarding the results, please contact: oncology@willseye.org

Developed by: Michael Ullman BS, Carol Shields MD, Jerry Shields MD