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Eyes that forget to blink

Staring at a fast chart cuts the blink rate by more than half. Dry, tired eyes follow, and with them, headaches, blurry vision, and a short fuse.

Scalpers feel it as a gradual fog around the second or third hour. Reading small numbers gets harder. Misreading a level, or mistaking a 1.0847 for 1.0841, becomes more likely.

The remedies are dull and effective. Looking away from the screen for twenty seconds every twenty minutes, at something far away. Adjusting the monitor so the top edge is at eye level. Matching screen brightness to the room, instead of a bright screen in a dark room.

Larger fonts on the platform help, as does a high-contrast chart theme that doesn't strain the eyes. Some find a dark theme easier, others a light one.

It's unglamorous advice, but fatigue-related mistakes cost real money. A trade entered at the wrong price because of a misread digit is a very expensive typo.

Which changes to the screen setup made long sessions easier on the eyes?

Staring at small, fast-changing numbers for hours strains the eyes. Blink rate drops, focus tightens, and a dull headache creeps in. It doesn't feel like a trading issue, but it is.

Fatigue affects reaction time and attention. A tired eye misses a flicker in the spread display or misreads a number. An uncomfortable posture pushes the mind toward finishing the session rather than trading it well.

Setup matters. Screen brightness matched to the room, text large enough to read without leaning in, and a distance of about an arm's length from the display all help. Taking short breaks to look at something far away resets the eye muscles.

A less obvious factor is the layout. Cluttered screens with dozens of numbers force the eyes to dart around. A cleaner layout, one price chart, one order panel, one clock, reduces the effort of finding the relevant number.

Lighting also matters. A dark room with a bright screen is tiring. Soft background light helps.

None of this is glamorous, and all of it quietly affects performance across a long session.

What single change to the workspace made the biggest difference in comfort during long sessions?