NICOLA McLean has been cruelly abused by online trolls mocking her “lazy eye” however we can reveal that the model may need to have emergency eye surgery as soon as she leaves the Celebrity Big Brother house.

Just before she entered the house, the 35-year-old visited a doctor because she couldn’t control her right eye and was told that she was suffering from light sensitivity.

4 Nicola McLean has been cruelly taunted by online trolls over her eye condition which she may need to have an operation for when she leaves CBB Credit: Rex Features

A source close to Nicola told The Sun Online: “She can't control her eye, it keeps going off in all different directions and wandering towards her nose - it causes her terrible migraines.

“She suffers from light sensitivity which is why she wears dark glasses in the morning and evening, and she has to wear special contacts with dark lenses throughout the day.

“This is only a recent development but the eye surgeon has warned her that she may soon need surgery to sort it all out.”

When Nicola isn't wearing dark contact lenses, she has to wear sunglasses to help her eye adjust to the light

4 The model often covers up her eye after she has removed her special dark lenses Credit: Rex Features

The insider added that the mum-of-two who also had surgery on her eye as a child, will be “devastated” when she sees the abuse she’s received on Twitter, with some calling her eye “gammy” and others asking whether it is glass.

“She’s received tonnes of abuse on Twitter and she’ll be so upset,” they explained.

“Nicola didn’t think it was that bad or that anyone would notice.”

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4 Insiders say she will be "mortified" when she discovers people have noticed Credit: Rex Features

She has previously been seen covering here eye during her late night arguments with Kim Woodburn and Jedward, with a CBB spokesperson telling The Mirror it was because she was in the middle of removing her lenses.

However this is not the case, and her eye was still adjusting to not having her special, darkened lens in.

A rep for Nicola confirmed: 'Nicola visited an eye surgeon last month before discovering she suffers from light sensitivity.'