Exam Pass Notes

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DSE and ergonomics basics

• DSE covers desktop computers, laptops, tablets, smartphones, touchscreens and other display devices used for work.
• Ergonomics means arranging the task, equipment and environment to fit the person and reduce strain.
• DSE risk in optical practice can arise at reception, dispensing desks, consulting rooms, pre-screening stations, imaging and stock systems, admin desks and during domiciliary visits.
• HSE defines DSE users as workers who use display screen equipment daily for continuous periods of an hour or more.

Workstation setup

• Position the screen at a comfortable height and distance, and in front of the user where possible.
• Provide adequate chair support, foot support and clear desk space.
• Keep the keyboard, mouse, documents and frequently used tools within easy reach.
• Avoid repeated leaning, twisting, reaching or working with raised shoulders.
• Shared workstations must be adjustable or reviewed when they do not suit different users.

Mobile devices and visual comfort

• For extended laptop work, raise the screen and use a separate keyboard and mouse.
• Avoid long phone or tablet sessions with the head tilted down.
• Reduce glare and reflections from windows, display lighting and bright overhead lights.
• Adjust screen brightness, contrast and text size where settings allow.
• DSE use does not cause permanent eye damage, but it can cause eye tiredness, discomfort and headaches.

Breaks, symptoms and reporting

• Short, frequent breaks or changes of activity are generally better than occasional long breaks.
• HSE suggests 5 to 10 minutes every hour as an example; break patterns should match the task and risk.
• Move, stretch, change posture and refocus your eyes during longer screen tasks.
• Report pain, tingling, numbness, weakness, stiffness, headaches, eye strain, fatigue or equipment faults promptly.
• DSE assessments should be reviewed when workstations, tasks, equipment, users or symptoms change.
• Flickering screens, flashing images or concerns about photosensitive epilepsy may require further review.
• Useful reports describe the task, workstation, symptoms, timing and what improves or worsens the problem.

Memory spine: Adjust, Vary, Report, Review

• Adjust: set up the screen, chair, input devices, lighting and reach zone.
• Vary: change posture, take breaks and alternate tasks where possible.
• Report: raise symptoms, faults, glare, poor fit or discomfort early.
• Review: check whether assessments and adjustments still match the actual work.

For the assessment, focus on DSE definitions, workstation setup, shared workstations, portable devices, glare, breaks, upper limb symptoms, reporting and review triggers.