— PC eye comfort & health —

Reduce computer vision syndrome (CVS) symptoms
caused by computer light sensitivity:


Eye-strain / Tired eyes. Sore eyes. Dry eyes. Blurred vision. Headaches. Photophobia. General exhaustion. Etc…

You’ll also find useful information related to other conditions frequently associated with light sensitivity/photophobia.



Your solution to CVS


GLARminŸ is to help you consider the right issues to improve your eye comfort.

Your eye fatigue might be due to one or several different causes.

Making your eyes feel better might require some exploration
and may consist of one or more measures.

Also, if you still have doubts

Write to me!

I’ll do my best to help you.



Need a quick fix?


In case it is really bad read this first:

Computer eye-strain relief treatment with heat and cold

It should work no matter what caused your eye strain.

A short-term solution, though.



Is computer light* really
what is causing your eye strain?

Computer Vision Syndrome CVS


What does computer eye strain feel like

What causes computer vision syndrome

Rule out non-light-related causes of computer vision syndrome

Books on Computer Eye Strain


* Computer light is considered the aggregate of all light to which your eyes are exposed when performing screen based tasks: light emitted by screen(s), indirect glare and reflections, and ambient lighting (artificial and natural).



Blue light
a frequent cause of CVS


A common spectral power distribution for modern computer screens:
Unnaturally high emission of blue light which disturbs our precision vision.


Are your eyes sensitive to light … or just blue light!?

How to pick the best blue filter for your light sensitivity problem

Blue light filter Tester

Different types of blue light filters

Macular pigment: Improve your natural blue light filter with diet

Best blue light blocking products (spectrograms, recommendations, etc.)

Careful with “clear” blue light filters that “don’t distort color”

ALL posts on blue light



Change text and background colors


To reduce CVS:

Avoid colors with high blue light content, particularly white and blue

Simple rules:
Warmer and darker colors have lower blue light content
Use colors higher in Red and lower in Blue on RGB scale
Ensure comfortable contrast

reduce-eye strain-by-avoiding-colors-with-high-blue-light-content

Now you understand the background choice for this site 🙂
It might not be the ideal color for you
but for most it is a lot better than white!

How to change colors in:

Windows 10

Windows 8.1 (also choice of fonts recommendations)

Windows 7 (Word, Excel,…), pdf reader, Internet Explorer, Firefox, Chrome



Office lighting


Light intensity, blue light content, and glare/reflections it generates
frequently cause eye fatigue.

Fluorescent/CFL/LED lights and eye strain

Anti-reflective and Glare-free computer lighting

Reduce brightness to reduce glare

Increase brightness to reduce glare

The ideal lighting – the concept



Can’t change office lighting?


How to reduce glare and reflections on computer screen:

Direct sun glare

Natural light but no direct sun glare


See also:

Why is glare a problem

What is glare: Examples of direct glare and indirect glare

The meaning of glare for a light sensitive person



Solutions to other common
light sensitivity problems


Age-related macular degeneration – AMD

Driver fatigue and glare


Sedentary work may cause Insomnia, Eye fatigue & Photophobia:
How to exercise at your computer, be more productive, and feel better

Avoid light sensitivity associated with Astigmatism: A simple eye exercise

Reduce light sensitivity: The sunning eyes exercise

Dry or itchy eyes therapy with omega-3 rich oils

High frequency light flicker sensitivity (coming up)



Photophobia / Light sensitivity and Glare:
General info


What is glare and the meaning of glare for a light sensitive person

Examples of direct glare and indirect glare

What is photophobia: Definition, symptoms, causes, and treatment

What is photophobia (part 2)

What can you do about photophobia?




Our fellow Glarmins’ experiences


Adapting to high eye sensitivity to light: tips from a fellow Glarmin

Central serous retinopathy (CSR), Photophobia and Blue light

How I Became a Glarmin, not anti-glare



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