A brighter bulb often does not help, and it can make things harder to see. Too much light can cause glare and reduce contrast, so warm light in the right spot and strong contrast usually do more than raw brightness.
When your parent says the house is too dark, believe them. Just skip the brightest bulb on the shelf as your first move.
Low vision is sight that glasses cannot fix
Low vision is a sight problem that makes everyday activities hard and cannot be fixed with glasses, contact lenses, medicine or surgery. Reading, driving, recognizing faces, telling colors apart and seeing a screen can all become difficult.
It comes in several forms. Some people lose central vision, while others lose side (peripheral) vision. Night blindness and blurry or hazy vision are other types. Common causes include age-related macular degeneration, cataracts, diabetic retinopathy and glaucoma.
As of 2012, 4.2 million Americans aged 40 or older had vision impairment that could not be corrected.
A common mistake is pushing for stronger glasses. If your parent keeps asking for a new prescription and nothing changes, that frustration makes sense.
Two kinds of glare, and how to spot which one
Glare comes in two kinds, and watching your parent for a day tells you which one is in play. Discomfort glare causes eye strain and makes a person want to turn away. Disability glare washes out detail, so objects are there but hard to make out.
Look for these signs:
- Squinting or shading the eyes points to discomfort glare.
- Missing a step edge, or hunting for a spoon on a white counter, points to disability glare.
- Asking "Which part is hard to see?" gets a more useful answer than "Is it too bright?"
Daylight counts too. Vertical blinds (not horizontal ones) tame low sun without making the room gloomy.
Swap cool white bulbs for warm white
Choose warm white bulbs over cool white ones. Bright white LED light with a cool, bluish tone often makes glare worse, while warm white LEDs are usually more comfortable and help keep contrast.
Bulbs are listed by temperature in Kelvin, and the lower the number the warmer the light looks. Warm tones usually suit living rooms and bedrooms. More light is not the mistake. Light in the wrong place is.
Try one room first, then ask how it feels after a day or two. A dimmer switch lets your parent set the level, which keeps the choice in their hands.
Put the light beside the shoulder, aimed at the task
Place a lamp beside and slightly behind your parent's shoulder, so it lights the page or their hands rather than the room. From there, light falls on the task without shining into their eyes. Extra light for close work is what the Macular Society calls task lighting, and it does more for reading and cooking than a brighter ceiling.
A few things to check:
- The shade hides the bulb from where your parent sits.
- The lamp sits on the side opposite the hand they write or cut with, so that hand throws no shadow.
- No shiny surface, like a glass tabletop or glossy magazine, bounces light back at them.
- An adjustable arm makes it easy to move from reading to sewing to sorting mail.
Contrast is often the cheapest fix in the house
Make edges stand out against what is behind them. Mark the front edge of each step (the stair nosing) with a dark strip, and the eye has something to catch.
- Paint door frames a shade darker or lighter than the wall, so openings are easy to find.
- Swap white switch plates on white walls for dark ones.
- Set a dark tray or placemat under a white cup or plate.
- Keep two cutting boards: dark for onions and pale food, light for tomatoes and dark food.
Start with the stairs, the bathroom and the kitchen counter
Begin here, where a missed edge or a misread dial matters most. The rest of the house can wait.
On the stairs, add contrasting edge strips and light both ends so neither sits in shadow. Keep the hall well lit, and leave a hall light on overnight so the route to the bathroom is never black.
In the bathroom, a dark mat on a light floor shows where the floor ends, and contrasting grab bars (grab rails) are easier to find than white ones on white tiles. For night trips, use a soft night light.
At the counter, under-cabinet lights put light on the work surface, not the ceiling.
More lamps, flashlights and bright downlights usually backfire
Making everything very bright is a common mistake. Here is what goes wrong:
- Extra lamps add more bright points to look past, and more cords across the floor.
- A flashlight (torch) aimed straight at the page bounces off the paper and can wash out the words.
- Very bright bathroom downlights shine off tiles, mirrors and chrome, turning a small room into a glare box.
Call the eye doctor the same day if sight changes suddenly
Call the eye doctor the same day if your parent's sight changes suddenly or gets worse quickly. Eye pain or a change that seems new also needs a prompt call. If you cannot reach anyone, use your local urgent care or emergency line.
For a slower "the house is getting darker" feeling, book a routine eye exam.
Ask about vision rehabilitation at the eye appointment
Ask your parent's eye doctor about vision aids and vision rehabilitation, the main help offered for low vision. If the doctor does not raise it, asking is completely fine. Ask what each one involves and what is available near you.
Preparation helps. Write down the three tasks they most want back, usually reading the mail, cooking and watching TV, and note what you saw watching them for a day. If they want company, come along and take notes so they can focus on talking.
Describe what is hard at home in plain words. "I can't make out the mail" or "the stairs at night are hard" tells the eye doctor more than "my eyes are bad". Say whether light makes them squint, or whether things are there but hard to make out, like a step edge. If the house feels darker, say so by name rather than assuming the bulbs are the whole story.
Questions worth bringing:
- Which type of low vision do I have?
- Would vision aids help with reading the mail or seeing the stairs at night?
- What does vision rehabilitation involve, and what is available near us?
- Would a low vision assessment or referral help, and how does the referral work?
- How long is the wait?
Let your parent ask the questions in their own words. Your job is to help them remember, not to speak for them. If poor sight is also making the night walk worrying, the first-month checklist after a stroke covers the same three spots in more detail.
Common questions
Should I buy daylight bulbs for my parent's reading lamp?
Usually no, because warm white tends to be more comfortable. Cool, bluish light often makes glare worse. Try one warm white bulb in the reading lamp and let your parent judge.
Will new glasses fix the darkness problem?
Glasses cannot fix low vision itself. A regular eye exam is still worth keeping. Use that visit to ask about vision aids and rehabilitation.
My parent wants every light on full. Should I argue?
No, it is their home and their call. Offer a dimmer and a lamp beside the shoulder, then let them compare for a few days.
Is it worth changing the whole house at once?
Start with one room instead. Pick the stairs, bathroom or kitchen counter, make two or three changes, and check in after a week. What works there shows you what to do next.
This article is general information, not medical advice. Please talk with your parent's doctor about their health.