standards_safety_detailed_flashcards

Question 1

What is the legal requirement for maintaining records of equipment supplied for eye protection?

Answer 1

Full records of what has been supplied and the intended use for which they were advised must be maintained by the practitioner.

Question 2

What should a contractor do when working on-site regarding safety?

Answer 2

The contractor must obey all on-site safety requirements, including the use of personal protective equipment (PPE) such as safety goggles.

Question 3

What is the standard test for impact resistance in a complete eye protector?

Answer 3

The protector must withstand the impact of a steel ball, tested both for forward projectiles and from the side to assess lateral protection.

Question 4

What markings must be included on protective lenses?

Answer 4

The lenses should be marked with the manufacturer’s identification, optical class, and one of the designated symbols for mechanical strength, scratch resistance, or other relevant properties.

Question 5

Which standards must protective eyewear appliances comply with?

Answer 5

All protective eyewear must comply with EN166 (general protection) and EN167 (optical performance) standards.

Question 6

What is the order of markings that must appear on protective eyewear?

Answer 6

The order is: Scale Number (filters only), Manufacturer’s Mark, Optical Class (1, 2, or 3), Mechanical Strength (A, B, F, S), Fields of Use, Scratch Resistance (K), Fogging Resistance (N), Radiant Heat, and the CE mark.

Question 7

What does the ‘3’ symbol on a frame indicate regarding field of use?

Answer 7

The ‘3’ symbol indicates protection against liquid droplets or splashes.

Question 8

What does the ‘4’ symbol on a frame indicate regarding field of use?

Answer 8

The ‘4’ symbol indicates protection against large dust particles.

Question 9

What does the ‘5’ symbol on a frame indicate regarding field of use?

Answer 9

The ‘5’ symbol indicates protection against gas or fine dust particles.

Question 10

What does the ‘8’ symbol on oculars signify in protective eyewear?

Answer 10

The ‘8’ symbol indicates protection against short circuit electric arcs.

Question 11

What does the ‘9’ symbol on oculars signify in protective eyewear?

Answer 11

The ‘9’ symbol indicates protection against molten metal or hot solids.

Question 12

What legal responsibilities do optometrists and dispensing opticians have regarding repairs or adjustments to protective eyewear?

Answer 12

Optometrists and dispensing opticians must inform the patient that any repairs or adjustments must be sent back to the manufacturer and cannot be adjusted in-store.

Question 13

What chemicals should polycarbonate lenses avoid to prevent damage?

Answer 13

Polycarbonate lenses should avoid contact with solvents such as hydrocarbons (benzenes), ketones (acetone), esters (ethyl acetate), amines (butylamine), and commercial materials like gasoline and paint thinner.

Question 14

What responsibilities do employers have under the Personal Protective Equipment at Work Regulation 1992?

Answer 14

Employers must provide suitable personal protective equipment (PPE), including eyewear, but they are not obligated to pay for prescription safety glasses. They may provide over-glasses to be worn on top of prescription glasses.

Question 15

What are common ocular hazards encountered in workplaces?

Answer 15

Common hazards include dirt, glass, metal, inorganic materials, chemicals, and blunt force trauma.

Question 16

What should be done in the event of penetrating trauma to the eye?

Answer 16

Penetrating trauma requires immediate ophthalmology consultation by phone and emergency attention.

Question 17

What part of the electromagnetic spectrum can cause retinal damage and lenticular changes?

Answer 17

UVA radiation (315-400 nm) can cause retinal damage and lenticular changes.

Question 18

What types of UV radiation can cause conjunctivitis and photokeratitis?

Answer 18

UVB (280-315 nm) and UVC (200-400 nm) can cause conjunctivitis and photokeratitis.

Question 19

What are indicators of a blow-out fracture following trauma to the eye?

Answer 19

Symptoms include a sunken eye, trapped extraocular muscles causing double vision, restricted eye movement (especially upward or downward gaze), pain, and swelling.

Question 20

What are indicators of blunt trauma to the eye?

Answer 20

Indicators include hyphema, iridodialysis, iris prolapse, optic neuropathy, and retinal/choroidal hemorrhages.

Question 21

What is the immediate response to chemical injury to the eye?

Answer 21

The immediate response is to wash the eye with normal saline or water for 15-30 minutes, instill topical anesthesia if needed, check pH (should be between 7-8), and admit to hospital if necessary.

Question 22

What are common sight-threatening activities during leisure time?

Answer 22

Gardening, sports like squash or tennis, DIY activities, and exposure to chemicals pose sight-threatening risks.

Question 23

What safety precautions should be taken while playing sports like squash or tennis?

Answer 23

Safety goggles should be worn to protect the eyes from the high-speed balls, which can cause blow-out fractures or blunt trauma.

Question 24

What are the risks of wearing glasses while playing contact sports?

Answer 24

Wearing glasses during contact sports can cause lid lacerations or penetrating trauma if the glasses break. Contact lenses may be a safer option for these activities.

Question 25

What safety precautions should be taken during DIY activities?

Answer 25

Use goggles when sawing, sanding, drilling, or performing any activity that generates dust or air particles. Avoid using dangerous chemicals without proper eye protection, and ensure good lighting to avoid accidents.

Question 26

What are common sight-threatening occupations, and what precautions should be taken?

Answer 26

Common sight-threatening occupations include working in factories, garages, laboratories, and industrial sites with machinery, chemicals, or airborne particles. Proper eye protection should always be worn, and employers must provide suitable safety equipment.

Question 27

What should be worn while welding to prevent permanent eye damage?

Answer 27

A welding mask must be worn to protect against the bright light of the welding torch, which can cause permanent damage to the cornea and retina.