Screen Ergonomics and Distance
Screen workstation ergonomics encompasses several independent yet interrelated parameters: distance from the screen, its height relative to the eyes, tilt angle, ambient lighting, and break rhythm. Ergonomic guidelines generally recommend a distance from the monitor roughly equal to the length of an outstretched arm (60–70 cm), with the top edge of the screen at eye level or slightly below, so that the gaze is directed slightly downward — this position reduces the area of the eye surface exposed to drying.
How do recommendations differ for tablets and phones? Smaller screens held in hands have a natural tendency to be brought closer, which increases accommodative load. The recommended minimum distance for tablets and phones is approximately 30–40 cm — using a stand to support the device instead of holding it freely in hands helps with this.
The role of lighting. The light source should ideally be placed to the side of the screen, not behind it or directly in front — light from behind causes glare, and a bright source behind the screen forces the eye to constantly adapt between a bright background and a darker screen.
Why do children require additional attention? Children are less likely than adults to independently correct an uncomfortable position or excessive proximity to the screen — absorbed in tasks or play, they do not notice increasing fatigue. This is why external support is practically more significant here than for adults.
How does it work in ocu•vio?
ocu•vio monitors this rule for you: the intelligent distance assistant (image from the camera processed exclusively locally, on the device) gently reminds the child to move away when their face gets too close to the screen.
Frequently Asked Questions
What is the proper distance from the tablet for a child?
Approximately a minimum of 30–40 cm — the larger the screen, the further away; using a stand to support the device instead of holding it in hands helps.
Does the distance assistant record images?
In ocu•vio, analysis occurs exclusively locally on the device, in real-time — the image from the camera is not sent or stored anywhere.
Why should the top edge of the screen be at eye level or lower?
Because this position directs the gaze slightly downward, which reduces the surface area of the eye exposed to drying compared to looking straight ahead or upward.
Where is the best place to position the light source when working with a screen?
To the side, not behind (glare) or behind the screen (contrast adaptation) — side lighting minimizes both of these issues.
Related concepts
This dictionary entry serves an exclusively educational purpose. The ocu•vio platform is not a medical device as defined by legal regulations — it does not diagnose, treat, or correct vision defects or eye diseases. Digital missions and PDF materials serve a recreational and relaxing function, supporting daily digital hygiene and healthy screen habits. The content of the dictionary does not replace consultations with a specialist.
Source: editorial work of ocu•vio based on publicly available specialized literature.