Iris: More than a best blue light filter app – Review

I tested Iris, an app focused on reducing computer vision syndrome (CVS). Read about how it compares to f.lux, the popular blue light filter app designed to reduce insomnia. f.lux and Iris filter blue light using the best, color transform approach. Against insomnia they are similar. Iris offers more for CVS.


New article: Computer Vision Syndrome Books

Computer vision syndrome is an important topic for many people nowadays. Below is a list of the 6 books found in searches on Amazon-Books and Google-Books. The search phrases used: computer vision syndrome, computer eye strain, computer screen glare, photophobia, light sensitivity (causes), blue light filter, light-sensitive eyes, anti-glare, eye fatigue, computer glasses, fluorescent light sensitivity, flicker sensitivity, eye strain headache, tired eyes, visual stress/discomfort, and visual comfort. (The descriptions of the books are as provided by book vendors).

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Site (re)organization

Glarminy is being (re)organized to make it easier to find the right answers.

Initially it started out as a blog, but as posts piled up it became very difficult to navigate.

To date a new page Home – Site guide has been added. It’s content attempts to guide the visitor confronted with computer light sensitivity through the main issues to consider (with links to corresponding posts) in the attempt to improve their PC eye comfort.

Moreover the “blog” has been moved to “News” and this is its the first post. Similarly, in the future a short news post will be published about each new article. It will contain article’s abstract and a link to it. In this manner you’ll continue receiving updates into your mailbox as you always have.

Hopefully in this way it will be easier for you to find answers your questions and improve your PC eye comfort.

Best blue light screen protectors

13 Blue light screen filters: Specs and Recommendations

You’d like a filter for your screen (phone, laptop, desktop, or tablet) that would protect you from blue light and glare. You looked all over with no luck. But, there are many vendors offering screen protectors with impressive blue blocking claims: filters blue light up to 100%, or 90% blue light blockage and in smaller font: from 370nm to 420nm. What does that mean? It gets really confusing when you also find their claim of no color distortion because that is impossible you can’t block blue light and see it too!?!

In fact it is not easy to find good screen protectors that do filter considerable proportion of blue light, with no sales tricks, just plain and straightforward data. It’s disappointing, but there is little contest for the best anti-blue light screen filter. Could it be that there is only one that lives up to its promises!? … unless, Would you be happy with a DIY solution?

Below is a review of 13 brands that claim blue blocking properties of their screen protectors. You’ll also find spectrograms (where available) with corresponding recommendations about filters’ suitability for different blue light associated conditions.

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Review: T’aime amber lens 97% blue blocking computer glasses – Dinodon

After contacting T’aime to obtain spectral transmission data for the post on best blue blockers they offered to send me their Dinodon computer glasses for review. According to T’aime, the lenses on Dinodon’s filter 97% of blue light. Below you will find my thoughts after wearing the glasses for 4 weeks and the follow-up after another 8 weeks later. The focus of this review is on the lens effectiveness in blocking blue light and glare from computer (digital) screens and their ability to reduce computer eye strain and/or insomnia. Continue reading →


Sedentary work may cause Insomnia, Tired eyes & Photophobia; How to exercise at your computer desk, be more productive and feel better

Do you regularly feel exhausted but can’t sleep? Tired eyes? Maybe you’ve noticed increased glare and light sensitivity? You probably have a screen based job. Moreover, after work you feel so tired you can’t but relax: read, watch TV, play video games, shop online, etc. But in doing so you rest your rested body (at work you mostly sit) and exhaust even more your already tired eyes (they’d been working very hard all day)!? Wouldn’t it be nice to be more productive at work and simultaneously more rested and upbeat during and afterward your workday? It can be done! Fight the effects of sedentary lifestyle and sedentary work with computer work in motion.

This post suggests that eye fatigue and photophobia should be added to the list of health risks associated with sedentary lifestyle – the sum of overall sitting time (screen based work, TV viewing, sitting in cars, …).

More importantly, the post proposes several ways you can set up your computer workstation to be physically active while you work. Continue reading →


Central serous retinopathy (CSR), Photophobia and Blue light

This post might help you if have central serous retinopathy (CSR), sometimes also referred to as central serous choroidopathy (CSC). Because of CSR Sam (the name has been changed) had severe problems with light sensitivity to computer screens and fluorescent lights (but not other sources of light). He found relief in filtering blue light.

If you also suffer from central serous retinopathy and have issues with glare do drop a comment below, for the benefit of others who are also struggling with CSR related light sensitivity. Let us know what has and what hasn’t worked for you!

Disclaimer: My interest in blue blockers comes from my problems with light sensitivity (photophobia), discomfort glare, and computer eye strain.

Disclosure: You can help sustain GLARminY – at no additional cost to you by giving” a small percentage of anything you buy from Amazon by accessing Amazon here (commission link). Some links below are also commission links, as disclosed. Thanks!

Here is what Sam’s message: Continue reading →