Reference: Fataawa Noor ‘alad-Darb – Question No.5626, Page 78, Volume 11
Question: What is the ruling regarding using coloured contact lenses for beautification?
Response: There is no harm [in using coloured contact lenses], so long as [the following] two conditions are met:
1) They are not harmful to the eyes;
2) They do not resemble the eyes of animals.