RGP CL Care

Question 1

Care maintenance components

Answer 1

• cleaning solution (removes foreign bodies)
• rinsing solution (rehydrates, dissolves enzymes)
• disinfecting solutions (kills organisms, oxidation)
• protein removers
• rewetting lubrication solution
• lens storage case

Question 2

What is hydrogen peroxide based disinfection

Answer 2

One step
- catalytic disc
- delayed releases neutralising tablet

Two step
- dilution
- catalytic disc
- catalyst
- neutralising

Minimum 3 hours in 3% solution
- bacteria 10-15mins
- fungi 1 hour
- acanthemoeba 3-6 hours

Question 3

Function of protein removers

Answer 3

• aids loosening and removal of tightly bound proteins

Question 4

Function of rewetting and soaking

Answer 4

• disinfecting, wetting and storage
• rehydrate
• flush debris
• alleviate insufficient lubrication
• maintain wettability
• composition, anti microbial agents/wetting agents/buffer/salts