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2. The official guide to scleral lens terminology;Michaud;Cont Lens Anterior Eye,2020
3. Sagittal height of the anterior eye and contact lens fitting;Garner;Am J Optom Physiol Opt,1982
4. Aspherical contact lens surfaces;Bennett;Ophthal Opt,1968
5. van der Worp E. A Guide to Scleral Lens Fitting [monograph online]. Forest Grove, OR: Pacific University; 2010. Available from: http://commons.paci cu.edu/mono/4/.