Eye Care · Low Vision
If you or someone you love has been told they have macular degeneration, one of the first things to go is reading. The centre of the page turns soft, or grey, or simply absent, and the natural response is to give up on books, letters and crosswords altogether.
Before that happens, it is worth trying light. Not a different pair of glasses, not a magnifier, just more of the right light, in the right place. For many people with early or moderate central vision loss, this single change is the difference between “I cannot read any more” and “I can manage a chapter.”
Let us be straight with you first. Lighting does not treat macular degeneration, cataracts, glaucoma or any other eye condition, and it will not slow them down. What good lighting does is help you make the most of the sight you have. That is worth a great deal — but it is not a substitute for being seen by a clinician.
The short version
✓ Position beats power. A modest lamp close to the page beats a bright one across the room.
✓ Aim for a directable lamp of roughly 1,000–1,500 lumens that you can bring right down to the book.
✓ Glare is the enemy. With macular degeneration, the eye scatters light more, so shield the bulb.
✓ Contrast is free. A dark placemat, a bold pen, a white mug on a dark tray- these help as much as lumens.
✓ If reading has changed noticeably, get an eye examination. Some causes are treatable if caught early.
Why low vision needs so much more light
Every eye needs more light as it ages. By around 60, most people need about three times more light to read comfortably than they did at 20, a figure from the RNIB and the Macular Society and an ordinary part of getting older.
When there is also damage at the macula, the small central patch of retina that handles detail, the demand climbs again. The undamaged cells around the edge of the affected area are doing work they were never designed for, and they only manage it when the image reaching them is bright and high in contrast. This is why someone with macular degeneration can often read a large-print book under a good lamp and not manage the same page by a window on a grey afternoon.
Two other changes matter just as much. The lens yellows with age, absorbing light before it arrives. And the eye scatters light more, which means the same bright bulb that helps you see can also dazzle you. Getting this balance right, plenty of light on the page, none of it in the eye — is the whole craft of lighting for low vision.
The four things that actually matter
Lamp marketing talks about wattage, styling and smart controls. For low vision, almost none of that matters. These four things do.
What to look for
1. Position — the one that matters most
Light falls off sharply with distance. Halving the gap between bulb and page roughly quadruples the light landing on it. A lamp on an adjustable arm that reaches over your shoulder and down onto the book will beat a far more powerful lamp standing three feet away, every time. Put the lamp on the same side as your better eye, and behind your shoulder so your hand casts no shadow.
2. Brightness — roughly 1,000 to 1,500 lumens, and dimmable
Enough to flood the page, with a dimmer so it can be brought down on a bad glare day. Dimmable matters more than people expect: light sensitivity varies hugely between conditions and even between mornings and evenings.
3. Shielding — you should never see the bulb
A deep shade or a recessed LED that hides the source. If you can see the bright element from your reading chair, the lamp is scattering light inside the eye and washing out the very contrast you are trying to gain. This is the single most common mistake.
4. Colour — neutral to daylight white, and flicker-free
Somewhere from 3000K up to around 5000K renders print crisply. Warmer than that can look muddy on grey newsprint. Choose a flicker-free LED; cheap drivers pulse in a way that many people find tiring even when they cannot consciously see it.
Notice what is absent from that list: price. A well-positioned, well-shielded £40 lamp will out-perform a badly positioned £300 one. If you want the general guide to choosing a lamp, we have written one for choosing a reading lamp when you are over 60.
Contrast: the free half of the answer
Lighting gets all the attention, but contrast does half the work and costs nothing. Damaged central vision loses fine detail first, and detail is much easier to recover when the thing you are looking at stands sharply against its background.
Small changes that make a genuine difference around the house:
• A dark placemat under a white plate, or a white mug on a dark tray, so the edges are findable.
• A bold black pen rather than biro, and unlined or wide-lined paper.
• Coloured tape on the edge of a step, the kettle handle, the end of the bannister.
• Large-print books and a dark-mode setting on a tablet, which many people find easier than paper.
• Matt surfaces rather than gloss, which throws reflections straight back at you.
Has reading changed for you or a parent?
A change in reading is worth having looked at properly, not just lit better. Our GOC-registered opticians carry out a full sight test in your own armchair — including checks for cataracts, glaucoma and macular changes. NHS-funded if you are eligible, £30 privately.
Book a home eye test → Or call 0800 080 6095
Room by room
The reading chair. The priority spot. A floor lamp on an adjustable arm, coming over the shoulder, shade below eye level. Keep a good general light on in the room as well — a single bright pool in a dark room creates exactly the contrast the eye struggles to adapt across.
The kitchen. Under-cupboard strips, because a ceiling light puts your own shadow directly onto the worktop you are chopping on. This is a safety point as much as a comfort one.
Stairs and hallways. Even lighting with no dark patches, and a light switch at both ends. Falls in older people are strongly associated with poor vision and poor lighting together, and hallways are where the two meet.
The bedside. A touch-operated or large-rocker-switch lamp, so it can be found in the dark without hunting for a small button.
When lighting is not the answer
Please do not spend months adjusting lamps when something else is going on. Book an eye examination, and do not wait for a routine recall, if any of the following apply:
See someone promptly if there is:
• A sudden change in vision, or new distortion — straight lines such as door frames looking bent or wavy.
• A new dark or empty patch in the middle of what you are looking at.
• A shower of new floaters, flashing lights, or a shadow coming across the vision.
• Eye pain, or vision that has gone downhill quickly over days rather than months.
Sudden distortion or a new central blank spot can indicate the wet form of macular degeneration, which is treatable, and treated early, treatment protects far more vision. That is a same-week conversation with a clinician, not a lamp decision.
More gradual changes deserve attention too. Cataracts, for instance, cause exactly the “everything looks dim and glary” picture that sends people shopping for brighter lamps, and cataract surgery is one of the most successful operations in medicine. A home eye test tells you which of these you are dealing with.
Common questions
Can a lamp slow down macular degeneration?
No. Lighting changes what you can do with the sight you have; it does not affect the condition itself. Anyone telling you otherwise is selling something. What does influence progression is under your ophthalmologist’s care, not stopping smoking, diet and prescribed treatment are the conversations to have with them.
Is a daylight bulb better than a warm one?
For reading, usually yes, neutral to daylight white renders black print on white paper more crisply. But it is a preference, not a rule, and some people with certain conditions find cooler light harsher. If you can, try both before committing.
Are expensive low-vision lamps worth it?
Sometimes. What you are paying for is a genuinely adjustable arm, a well-shielded head and a flicker-free driver — all of which matter. What you are not paying for is a brand name. Judge any lamp on the four points above, whatever it costs.
Can I have my eyes tested at home if I cannot get out?
Yes. If you are unable to leave home unaccompanied, you are entitled to an NHS-funded sight test in your own home. HomeSight is NHS-contracted and has been visiting patients at home since 2010; if you do not qualify for NHS funding, a private home eye test is £30. See our
home eye tests page for what the visit includes.
Does poor lighting cause eye damage?
No. Reading in dim light is tiring and uncomfortable, and it can bring on a headache, but it does not harm the eye. The reason to fix the lighting is that life is better with it fixed.
We bring the eye test to your armchair
Get the light right, and get the eyes checked. HomeSight’s GOC-registered opticians carry out full sight tests in the home across London, the Home Counties and the South East, with frames and lenses brought to you.
NHS-funded where you are eligible · £30 privately · no call-out fee
Book a home eye test We also do home hearing tests
About this article. Written by the HomeSight clinical team — GOC-registered optometrists and dispensing opticians who have been carrying out home eye tests since 2010. General information only: it is not a diagnosis and does not replace an eye examination. If you are worried about your sight, please arrange to be seen.
