See well every day
Additional tests
Deepen your visual assessment with targeted tests to better understand your everyday vision.
Our additional tests let you explore specific aspects of your vision: astigmatism and central vision, contrast lost to glare, the smallest text you read up close, and letter sharpness at screen distance.
Take an additional test- Reliable and accessible online test
- Immediate and confidential results
- On computer, tablet, and mobile
- tests:common.trust.recommended

What additional tests do we offer?
- AstigmatismDetect distorted or blurred vision related to the curvature of the eye.
- Glare sensitivityRead increasingly pale letters, without then with a bright halo: the test measures contrast lost to glare.
- Near readingRead numbers displayed for a few seconds in increasingly smaller characters: the test measures the smallest text you read at 40 cm.
- Screen visionIdentify increasingly smaller letters at 60 cm from the screen: the test measures your sharpness at computer working distance.
What are the additional tests for?
Additional tests complement the standard visual acuity, contrast, color, and night vision tests. They let you explore certain aspects of your vision in more detail, providing a clearer picture of your everyday visual comfort and helping you better understand your specific needs.
When are they useful?
- Reading discomfort (blurry text, difficulty concentrating)
- Screen-related eye strain
- Vision-related headaches
- Distorted vision or lines that appear wavy
- Discomfort from light and glare
The benefits of additional tests
Earlier detection
Quickly identify certain visual issues so you can act before they worsen.
Putting numbers to a discomfort
Each exercise indicates a level reached: contrast read under glare, smallest text read up close, smallest letters read at screen distance.
Adjust your habits
Adjust your environment and activities for better everyday comfort.
Track your visual comfort over time
Redo the exercises under the same conditions to compare your levels from one time to the next.

Our tips
Our tips for maintaining your visual comfort
A few simple actions can make a difference every day:
- Take regular breaks when using screens
- Adjust the brightness of your environment
- Keep a good reading distance
- Avoid glare (direct light, reflections)
- Consult a healthcare professional if discomfort persists
- Vary your visual activities (reading, screens, near and far tasks)
Want to explore your additional tests?
Take our quick, reliable online test, accessible on all your devices.
Frequently asked questions about additional tests
This test does not replace an examination by a healthcare professional. If in doubt, consult an ophthalmologist.
