Bright light appearing while unlocking.

Bright light appearing on top left or right portion of the screen while unlocking as shown in the picture.
Any idea on why this happening?
Thanks in Advance..

Hey there Vishesh Narang,
It sounds like you are getting a flash of light in the upper left corner of your screen when you unlock the phone using Touch ID. I would start by quitting all the open apps first:
iOS: Force an app to close
http://support.apple.com/kb/ht5137
Double-click the Home button.
Swipe left or right until you have located the app you wish to close.
Swipe the app up to close it.
When you have done that and restart the phone and test the issue again:
iOS: Turning off and on (restarting) and resetting
http://support.apple.com/kb/ht1430
If it persists, I would next backup your device to iTunes with this article:
iOS: How to back up and restore your content
http://support.apple.com/kb/HT1766
And restore it from your backup with this article to delete the current iOS installation, and install a fresh copy
Use iTunes to restore your iOS device to factory settings
http://support.apple.com/kb/ht1414
Thank you for using Apple Support Communities.
All the very best,
Sterling

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PCI Revision ID:          0x0000
PCI Vendor ID:          0x106b
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Vendor ID:          0x045e
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Vendor ID:          0x05ac (Apple Computer, Inc.)
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Thanks Tim, the lens is the Canon 50mm 1.8.
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