RGP Cl care

Question 1

Care maintenance components

Answer 1

• cleaning solution = removes FB
• rinsing solution = rehydrates, dissolves enzymes
• disinfecting solution = 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 release neutralising tablet

Two step:
- dilution
- catalytic disc
- catalyst
- neutralising

Minimum 3 hrs in 3% solution
- bacterial = 10-15mins
- fungi = 1hr
- acanthemoeba = 3-6 hrs

Question 3

Function of protein removers

Answer 3

• aids loosening + removal of tightly bound proteins

Question 4

Function of rewetting + soaking

Answer 4

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