It's possible that "Malai Kan" is a colloquial term used to describe a particular eye condition or symptom in a specific region or community. To understand the exact meaning and potential implications, we'd need more context.
Could you please provide more information about what you're looking for? For example:
* Where did you hear this term? (e.g., from a doctor, a family member, a book)
* What are the symptoms associated with it?
* What is the context in which it's being used?
With more information, I can try to provide a more accurate translation and explanation.