[webmobdev]

The safest way to do this is to step out in daylight when the sun is bright. Take a brief walk. You will also get a boost of Vitamin D that will cheer you up. Interestingly, in Yoga there is a pose called surya namaskar (salutation to the sun) that is supposed to be done early morning when the sun rises.

[andrew_]

Can I assume you mean without sunglasses on? Living in FL I wear sunglasses religiously, but am out in the sun daily.

[webmobdev]

Yes, at least for sometime daily, but not in blinding sunlight that can hurt your eyes.