Boots WebMD Partners in Health
Return To Boots

Eye health centre

Eye health overview

Good eye health and eye care are crucial to protect your sight, prevent common eye disorders, and treat eye problems early. Learn more about eye diseases, contagious conditions such as conjunctivitis, and how to tell if you have good - or bad - vision.

Select a chapter

RSS Feed | Help

Latest headlines

Bacteria surviving contact lens cleaning

New research has found that some bacteria survive hours longer in contact lens cleaning solution than was previously thought.

Read full article

Medications

Visual acuity and 6/6 vision

Visual acuity is a measure of your central vision, the ability to distinguish details and shapes of objects.



Distant vision is tested with a chart with differently sized letters read from a distance of six metres away. This is called the Snellen’s Test Types.

Someone who can read the second line of letters up from the bottom is said to have 6/6 vision. This used to be called 20/20 vision when the test was done from 20 feet away before metric measures took over.



6/6 does not translate into perfect vision and does not indicate other important aspects of sight such as peripheral vision, the ability to identify colours or depth perception.



Having 6/12 vision means you can see at six metres what a person with normal vision can see at 12 metres away.



Each eye is tested separately - and an overall score is given for both eyes or binocular vision. So a person's Snellen test scores might be:

Stay informed

Sign up for BootsWebMD's free newsletters.
Sign Up Now!

Popular Slideshows & Tools on Boots WebMD

woman looking at pregnancy test
Early pregnancy symptoms
donut on plate
The truth about sugar addiction
woman holding hair
Natural help for dry or damaged hair
woman in bikini
Get ready for swimsuit season
hand extinguishing cigarette
13 best tips to stop smoking
Immune-boosting foods
The role of diet
79x79_not_good_for_you.jpg
18 secrets men want you to know
boy looking at broccoli
Quick tips for feeding picky eaters
hamburger and fries
A guide for beginners
salmon dinner
A diet to boost your mood & energy
polka dot dress on hangar
Lose weight without dieting