Is the technology flicker free?

Yes. I don't know about the whole therapy aspect, but this is the single best task light I've ever found. The light is both glare and flicker free, and easy on the eyes. One thing they don't make very clear is that it has a brighter therapy setting and a lower task light setting. It will only stay on the therapy setting for so long, then one of the two bulbs clicks off. There is still an amazing amount of light left as a task light, but it can be worrisome when your brand new light does something odd. :)

How long do light bulbs last when you use it 30 minutes a day? How quickly can you get the new light bulbs from the company? Available elsewhere?

The bulbs are rated for 8,000 hours, but the intensity does degrade over the bulb life. Therefore, you should replace the bulbs every two years, based on your usage, to maintain the same lux rating. However, even though the lux level drops over time, you may also simply increase the treatment time to derive the same therapeutic benefit (e.g. 10,000 lux for 30 minutes, 9,000 lux for 35 minutes). The bulbs retail for arounf $10 each and the Sky uses 2, which may be ordered from Carex directly or from other dealers.

Can you adjust the height, independent of the angle? I mean, not the angle but just the height by itself?

You CAN adjust the height and keep the angle the same. The light swivels forward and back which changes the angle. However, the arm that attaches the light to the base also swivels forward and back to some extent. You can lower the height about 8 inches and still keep the light at the angle shown in the picture.

Hello. In numerous photos, I have see the Sky used off to the side, pointing at the face at an angle (like the photos above). Is this OK?

According to the book "Winter Blues" by Norman Rosenthal, one of the docs involved in the original discovery of seasonal affective disorder; the light can enter the eyes at an angle or from the sides. As long as the light waves are reaching the retina that's all that's necessary for it to work, and is even preferred in someone wearing glasses as light can enter the eye from the side without having to pass thru the glass lens which will filter a small part of it out. Also, wearing sunglasses filters even more light out and lessens effectiveness.

Finish Type	Polished
Item Weight	3.72 kg
Lamp Type	Night Light
Shade Colour	White
Shade Material	Polycarbonate
Switch Type	Touch
Style	Contemporary
Brand	Carex
Colour	Blue
Special Feature	Adjustable Arm
Light Source Type	LED
Material	Metal
Room Type	Bedroom
Recommended Uses For Product	Decoration
Power Source	Corded Electric
Shape	Round
Number of Light Sources	1
Connectivity Technology	USB
Included Components	Bulb
Is Waterproof	true
Mounting Type	Wall Mount
Number of Items	1
Lighting Method	Adjustable
Control Method	Touch
Indoor/Outdoor Usage	Indoor
Water Resistance Level	Not Water Resistant
Installation Type	Freestanding
Number of Pieces	1
Efficiency	Energy Efficient
Voltage	120 Volts (AC)
Is It Cordless?	Yes
UPC	627394200016
Manufacturer	Uplift Carex
Item model number	DL2000
Product Dimensions	34.77 x 27.31 x 69.22 cm; 3.72 kg
ASIN	B002WTCHLC

Carex Health Brands Day-Light Sky 10,000 LUX Bright Light Therapy Lamp (DL2000)

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