Inhuman Vision( Lords of Madness, p. 180)
You possess the inhuman eyes of some strange creature. They might look segmented or larger or without pupils. You might even have eyestalks.
Aberration Blood (LoM) ,
You gain a racial bonus on Spot checks equal to the number of aberrant feats you possess. The range of your darkvision improves by 5 feet for every aberrant feat that you possess. If you do not already have darkvision, you gain darkvision out to 5 feet for each aberrant feat you possess.