Podcast
Questions and Answers
What is the main purpose of using a diamond-tipped tool in the lathing process of soft lens manufacture?
What is the main purpose of using a diamond-tipped tool in the lathing process of soft lens manufacture?
To lathe the back (concave) surface of the lens
What is a major limitation of using lathing in soft lens manufacture?
What is a major limitation of using lathing in soft lens manufacture?
Complex designs are difficult to produce
What is the role of centrifugal forces in the spin casting process of soft lens manufacture?
What is the role of centrifugal forces in the spin casting process of soft lens manufacture?
To distribute the monomer across the mould
What is a major advantage of spin casting over lathing in soft lens manufacture?
What is a major advantage of spin casting over lathing in soft lens manufacture?
What additional step may be necessary after spin casting to achieve a smooth lens edge?
What additional step may be necessary after spin casting to achieve a smooth lens edge?
How does the reproducibility of spin casting compare to moulding in soft lens manufacture?
How does the reproducibility of spin casting compare to moulding in soft lens manufacture?
What are the stages involved in the manufacture of hydrogel contact lenses?
What are the stages involved in the manufacture of hydrogel contact lenses?
What are the advantages of moulding in high volume manufacture of contact lenses?
What are the advantages of moulding in high volume manufacture of contact lenses?
What is a limitation of the moulding process in contact lens manufacture?
What is a limitation of the moulding process in contact lens manufacture?
What is a growing concern among patients related to contact lens use?
What is a growing concern among patients related to contact lens use?
What aspect of contact lens manufacture has a significant environmental impact?
What aspect of contact lens manufacture has a significant environmental impact?
What is an important consideration for eye care professionals when advising patients on contact lens options?
What is an important consideration for eye care professionals when advising patients on contact lens options?
What is the classification of contact lenses according to the Medical Devices Directive 93/42/EED?
What is the classification of contact lenses according to the Medical Devices Directive 93/42/EED?
What is the purpose of the CE marking on medical devices?
What is the purpose of the CE marking on medical devices?
What is the primary responsibility of the MHRA in the UK?
What is the primary responsibility of the MHRA in the UK?
What is the title of the International Standard that specifies safety and performance requirements for contact lenses and care products?
What is the title of the International Standard that specifies safety and performance requirements for contact lenses and care products?
What is the name of the material used to manufacture soft contact lenses?
What is the name of the material used to manufacture soft contact lenses?
What is the process of creating a soft contact lens from an anhydrous material?
What is the process of creating a soft contact lens from an anhydrous material?