level: Contact Lens Material Developments
Questions and Answers List
level questions: Contact Lens Material Developments
| Question | Answer |
|---|---|
| They produced an acrylic resin for the aviation industry | Rohm and Haas 1930s |
| Rohm and Haas called their acrylic resin as? | Plexiglass |
| They developed and patented the material poly methyl methacrylate (PMMA) | J Crawford and R Hill of ICI 1934 |
| What did Crawford and Hill named their trade? | Perspex |
| These type of material became the choice for the construction of corneo-scleral lenses | PMMA |
| His patent got rejected on the first PMMA corneal contact lens | Dennis C England 1946 |
| His lens was patented as the first corneal contact lens | Kevin M Tuohy 1946 |