Methods of Vision Screening of Employees

Two techniques for screening vision may be used:

1. Modified clinical technique (MCT);
2. Instrument screeners.

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Eye Protection Programme: Identification, Elimination and Control Of Ocular Hazards: Part II

Implementation of the programme

It is important that the eye protection programme is carried out correctly; incorrect administration could result in a work environment that is more hazardous than that found initially. Depending on the findings of the plant survey the following actions may be necessary:

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Eye Protection Programme: Identification, Elimination and Control Of Ocular Hazards: Part I

In the past the safety of the employee was normally considered to be the employee’s responsibility and little liability was placed upon the employer. However, in more recent years the trend has been reversed and the employer is primarily responsible for the safety of the employees.

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Health Hazards Associated With Visual Display Units: Part II

Facial rash/dermatitis

There are several reports concerning facial rashes amongst VDU operators. The complaints varied from itching of the skin to reddening with occasional minor desquamation and small papules. It usually occurs after a couple of hours at work and disappears a few hours after leaving work.

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Health Hazards Associated With Visual Display Units: Part I

Over the past few years there has been a rapid increase in the number of people using visual display units (VDUs)/terminals (VDTs) both at home and at work. The introduction of VDUs, whilst having many advantages, has unfortunately also created concern about their use and possible health hazards.

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Spectacle Prescriptions For VDU Operators

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An emmetropic pre-presbyope should not have any problem in focusing the range of distances required for VDU work. The VDU screen may be situated at a distance of 50-70cm while the keyboard and often the script is usually at a closer distance of approximately 33-40cm.

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Work Station Design For VDU Operators: Part III

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Screen

The VDU should be positioned at a distance of 35-60cm from the operator (70cm maximum). Ideally, the eyes should be depressed at an angle of 15-20 degrees.

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Work Station Design For VDU Operators: Part II

Flicker

A flicker image on a screen will diminish the legibility and cause fatigue and asthenopia, depending upon the length of time that the screen is viewed.

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Work Station Design For VDU Operators: Part I

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Factors to be considered in work station design are: lighting, glare, flicker, color contrast, alpha-numeric design and ergonomics.

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Lighting Design For Enhancement Of Visual Performance in Work Place

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A good lighting system must provide suitable lighting for all employees, whatever their task and whatever their age. Older employees require higher levels of illuminance to achieve the same levels of visual efficiency.

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Vision Standards For Civil Aviation Authority

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The standards required for professional pilots and air traffic controllers are:

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Visual Standards For VDU Operators

It has been suggested that companies should screen the vision of VDU operators prior to employment

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Vision Standards For Vehicle Drivers

Private Motorists

The person should be able to read in good daylight (with the aid of glasses or contact lenses if worn)

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How to Manage Lighting During Visual Tasks

Lights are often switched on in the morning and left on until the end of work. This can be wasteful, as it may not be necessary for all the luminaires to be in use all the time.

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Visual Standards For Driving Licenses

Prior to visual requirements for driving license, certain factors, such as driver education should also be assessed and the street and vehicle lighting

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Relating Visual Ability to Job Competence

Different tasks require different visual capabilities. For example, train drivers must be able to recognize certain colours whilst crane drivers need good

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Vision Screening Of Employees

The general purpose of any vision screening programme is to detect those people who have defective vision but who do not present with symptoms that

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Choice Of Lighting Equipment in Work Place

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Lighting Source

Once the lighting system has been designed, a list of suitable lamps should be made. The suitability of the lamp will depend on the nature of the task in the work place.

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