How about this?
All-Around Vision (Ex): A rekeihs's many eyes gives it a +4 racial bonus on Search checks, and it can't be flanked.
Myopic (Ex): A rekeihs is nearsighted, resulting in a -4 racial penalty on Spot checks, and negating the usual +4 racial bonus on Spot checks attributed to all-around vision.
...or...
All-Around Vision (Ex): A rekeihs's many eyes gives it a +4 racial bonus on Search and Spot checks, and it can't be flanked.
Myopic (Ex): A rekeihs is nearsighted, resulting in a -4 racial penalty on Spot checks made beyond 30 feet.