Are magnifiers worth it for cross stitch?

Magnifiers for cross stitch can be a lot of money, and often carry a stigma, however are they actually something every cross stitcher should have?

Through The Keyhole: Magnifying Daylight Lamps

5X Hands Free Magnifying Glass with Light for Close Work,6.7 x 9.5Neck Wear Large Page Magnifier for Reading Book,Sewing, Cross Stitch.Low Vision Seniors with Aging Eyes(Black) - Yahoo Shopping

Ask Jo: Cross Stitch Lighting – Jo's Country Junction

Harvest Moon Floating Cross Stitch

The Best Animated Cross Stitch

5D Diamond Painting and Cross Stitch Tool Accessories Clip Magnifier LED Lights with Clips and Flexible Neck Jewelry Lighting Accessories Lamps

What Exactly Is A Cross Stitch Sampler?

MagEyes Magnifier : Charting Creations Unique Counted Cross Stitch Patterns & Kits

The Best Animated Cross Stitch

All Pokemon Generations Cross Stitch Patterns

Prop-It Chart Holder

Hands Free Neck Magnifier For Seniors Sewing Cross Stitch Embroider — Low Vision Miami