User blog comment:Omega natsu2/Episode 194: The Magic of Zirconis, Review./@comment-188.171.26.251-20140809085218/@comment-188.171.26.251-20140809191724

Just compare Ultear and Meredy's eyes when they are seen together. Ultear's eyes may still look a bit reddish and not their original color, but they're finally different from Meredy's glowing pink eyes.