You turn the lamp up, but the symbols on the canvas become harder to distinguish. The drills sparkle impressively while the printed guide disappears beneath a bright reflection. More light has not necessarily made the task easier.
Before replacing the lamp, change the relationship between the light, your eyes and the shiny surface. A few small adjustments can reveal whether the problem is reflection, shadow or simply insufficient illumination.
Move the reflection away from the task
The Canadian Centre for Occupational Health and Safety’s lighting guidance distinguishes glare from useful illumination. Its workplace principles are helpful at a hobby desk too: a bright source or reflection can interfere with seeing the object you are working on.
With the lamp securely positioned, move its head a little to one side and observe the canvas. Then change the canvas angle slightly. Keep cords and the lamp base out of the working area. Avoid arranging the light where you must stare directly into it whenever you look up.
Check the shadow your hand creates
Try the actual movement you use to place a drill or thread a needle. Your hand may block a lamp that looked well positioned while the desk was empty. Moving the light to the other side can be more useful than increasing brightness.
As a simple experiment, photograph three arrangements from your seated viewpoint: lamp on the left, lamp on the right and a slightly higher position. Compare the troublesome area, not the overall attractiveness of the photograph. Choose the arrangement that lets you work without repeatedly leaning around your own shadow.
Make colour comparisons under consistent conditions
Do not compare two near-identical shades with one in direct sunlight and the other beneath a lamp. Place them together on a neutral surface under the same lighting. Keep labels attached so a change in appearance does not become a sorting mistake.
Take breaks from close work and change posture. If visual discomfort persists despite a sensible setup, seek appropriate eye-care advice rather than continually buying brighter equipment.
Finish by checking the desk as a whole. A well-lit canvas surrounded by distracting reflections can still be tiring. The useful result is a workspace where detail is easy to see and the next movement feels natural—not the brightest pool of light you can create.