Lyndon Jones was among the early pioneers first describing corneal staining associated with contact lens care products. Dr. Jones is a Professor at the University of Waterloo in Canada and is a well-respected researcher in the area of contact lenses and related corneal science.
He describes his early work exploring corneal staining PHMB and group II contact lens materials. This research was the first to link preservatives and materials with corneal staining. Dr. Jones also describes his landmark study regarding staining with silicone hydrogel materials and MPS preservatives which led to intense focus on this area.
Key points to keep in mind is that solution related staining is often asymptomatic, material and formulation dependent and, to some extent, patient dependent.
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