As we get older, many of us notice that the print in a book or newspaper seems a little blurrier, or that working on a computer screen feels more tiring for the eyes. It’s a natural part of ageing – our vision changes over time. But before you buy new reading or computer glasses, there’s one step you shouldn’t skip: a professional eye test. It’s the key to finding the glasses that truly suit your needs.

Why an Eye Test Matters

An eye test isn’t just about finding the right lens strength. It provides a complete picture of how your eyes work together and can reveal early signs of eye conditions that may need attention.

Many people only realise they need glasses when they start getting headaches, eye strain, or find that letters seem to blur together. An eye test can determine whether this is due to age-related long-sightedness (presbyopia), astigmatism, or another issue.

By having your eyes tested professionally, you avoid buying glasses that only partly solve the problem – or worse, make it worse.

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Reading Glasses, Computer Glasses, or Something in Between?

Although both reading and computer glasses help you see clearly at close range, they are designed for different purposes.

• Reading glasses are made for short distances – typically 30–40 cm – perfect for books, newspapers, and crafts.
• Computer glasses are designed for slightly longer distances, around 50–70 cm, which matches the distance to a computer screen. They can also reduce glare and blue light, helping to prevent eye fatigue.
• Combination options, such as varifocals or occupational lenses, can be ideal if you often switch between reading, screen work, and looking across the room.

An optician can help you find the best solution for your daily routine – and that process starts with an accurate eye test.

What Happens During an Eye Test

A standard eye test in the UK usually takes around 20–30 minutes and is carried out by a qualified optometrist. It typically includes:

1. A discussion about your vision and lifestyle – how and where you use your eyes most.
2. Measurement of visual acuity – reading letters of different sizes to determine the correct prescription.
3. Tests of eye coordination and movement – to ensure your eyes work well together.
4. Health checks for your eyes – many optometrists also look for signs of cataracts, glaucoma, or dry eyes.

The result is a precise prescription that forms the basis for your new glasses. Most opticians keep your results on file, making it easy to track changes in your vision over time.

When Screen Work Strains Your Eyes

With so many of us spending long hours in front of screens, computer glasses have become an important investment in both comfort and eye health. Extended screen use can cause symptoms such as dry eyes, blurred vision, and neck or shoulder tension – often referred to as “digital eye strain”.

An eye test can reveal whether you need a specific screen correction and whether your lighting or screen position could be improved. Small adjustments can make a big difference to how comfortable your eyes feel throughout the day.

How Often Should You Have an Eye Test?

In the UK, it’s generally recommended to have an eye test every two years – or more often if you notice changes in your vision. For people over 40, annual tests can be a good idea, as age-related changes often happen gradually.

You should also book an eye test if you experience:

• Frequent headaches or tired eyes
• Difficulty focusing on text or screens
• Blurred vision at certain distances
• Trouble reading in dim light

The sooner you update your prescription, the easier it is to avoid discomfort and maintain clear, comfortable vision.

An Investment in Comfort and Health

Having an eye test before buying glasses isn’t just a formality – it’s an investment in your quality of life. The right glasses can make reading easier, screen work more comfortable, and everyday life more relaxed for your eyes.

So next time you’re thinking about new reading or computer glasses, start with an eye test. It’s the first and most important step towards clear, comfortable vision.