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Ji Soo Yim, 20, is a fan of Nintendo but she said she might wait to buy the 3DS. She tried it out recently at the Nintendo World store in New York City while visiting on spring break from Grinnell, Iowa.

“It was supposed to be 3-D, but it looks like it’s going to be a headache,” she said.

Nintendo notes that the 3-D effect is adjustable (and can be turned off completely, too), which could help those prone to headaches from 3-D. Nintendo hopes that, along with the lack of glasses, will make the 3DS appealing to a broad range of people.

It also helps that people are familiar with 3-D technology from movies. Ross Rubin, an analyst for market research firm NPD Group, thinks consumers will eventually adopt 3-D TVs in their homes just as they bought high-definition screens. The 3DS is one sign that the use of 3-D is spreading through the electronics industry, he said, though he noted that 3-D TV sales haven’t been as strong as some manufacturers have expected.