Every now and then, a special effect needs a lens flare to help sell its dazzling power. I got this asset on sale and once you've gone over the tutorial (on the item page near the end), it works nicely and has lots of options:
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Shameless plug, but
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; it's subtle, but you can crank the lens flare up to end-of-the-world proportions (all shown in the tutorial vid).
edit: glowing eyes can be achieved just by selecting the eyes (sclera, iris, pupils) in the Surfaces tab, changing the Emission Color to white, then the Luminance Units to kcd/m^2 and cranking up the Luminance.
(change the temperature to something around 1500K and the luminance to a high number)