A part-time hostess was blinded in her left eye after a colleague wearing stiletto heels kicked her in the face repeatedly during a scuffle at a KTV club in Jalan Sultan.

The court heard yesterday that Ms Nur Lena Rahmat, 30, and Siti Zahara Afifi Abdul Karim, 28, started arguing at their workplace, Club One KTV Boutique, in the early hours of Oct 8, 2015.

Deputy Public Prosecutor Joshua Rene Jeyaraj said that the argument at 3.20am led to a scuffle, during which both Siti Zahara and Ms Nur Lena fell to the floor.

Despite intervention by one of two witnesses at the club, Siti Zahara, who was wearing a pair of stiletto heels measuring about 14.5cm, continued kicking in a fast and aggressive manner in the direction of Ms Nur Lena.

The victim felt the heel hit her eyelid twice before the heel went into her eye, causing her eyeball to pop out.

She was heard exclaiming: "I cannot see, I cannot see."

The victim was taken to Tan Tock Seng Hospital, where she underwent treatment for the injury. Her left eye was removed and an orbital implant done. She was discharged on Oct 16 that year.

Ms Nur Lena was found to have suffered left-eye permanent blindness and right-eye temporal hemianopia, which means that she can see only the nasal part of her visual field.

Yesterday, Siti Zahara was convicted of causing grievous hurt to Ms Nur Lena by carrying out a rash act to endanger the personal safety of others.

The court also heard that the two women had a strained working relationship in the lead-up to the incident.

The argument that led to the scuffle centred on a set of braces for Siti Zahara's younger sister.

Siti Zahara's sister had been in a relationship with Ms Nur Lena's friend and, after the relationship ended, the friend wanted to continue paying for the braces.

Ms Nur Lena had allegedly urged her friend not to continue paying for the braces.

Siti Zahara previously had an argument with Ms Nur Lena about her alleged interference in the matter, and the two women argued about the same matter again on the night of the incident.

District Judge Mathew Joseph will hear a mitigation plea by Siti Zahara's lawyer Wilbur Lim and the prosecution's submissions on the sentence on Oct 31.

The maximum penalty is four years in jail and a $10,000 fine.