Home and Away newcomer Jessica Redmayne has opened up about her mother's dementia diagnosis, saying the ordeal has changed her "perspective on the world."

Redmayne recently joined the cast of Home and Away as Harper Matheson. She is currently on the soap in Australia, although Channel 5 in the UK has yet to air her episodes.

In an interview with The Daily Telegraph, Redmayne opened up about her mother Tina, who was diagnosed with early-onset dementia in 2014.

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Brendon Thorne//Getty Images

Related: Bruce Willis’ wife Emma Heming Willis shares emotional update amid his dementia struggle

"Dad said to me, everyone has their s**t, and this is ours. It changed my perspective on the world. To know they're going to inevitably forget who you are, and have no concept of me being her daughter is incredibly challenging," Redmayne said.

She continued: "She got to a point where she still knew my name, but didn't realise I was her child. She thought I was her best friend, she couldn't grasp she had kids."

Dementia is a neurological condition that causes a person's brain to lose its ability to think clearly and remember things and people, leading to confusion and an inability to carry out everyday tasks.

jessica redmayne and ally harris as harper and dana in home and away
Channel 5

Related: Coronation Street star Julie Goodyear diagnosed with dementia

Redmayne is currently fronting Dementia Action Week in Australia, which raises awareness of the condition and runs from September 18 to 24.

Recently, ITV newsreader Alistair Stewart opened up about his own dementia diagnosis, explaining that he was diagnosed after he began to feel "a bit discombobulated."

"I wasn't becoming forgetful, but things like doing up your shoelaces properly – that's how I wear these lovely moccasins now – making sure your tie was straight, remembering that the call time for your programme is four o'clock and not five o'clock, not turning up early or late, and stuff like that," he said.

Meanwhile, Coronation Street's Julie Goodyear was diagnosed with dementia earlier this year while Bruce Willis' wife, Emma Heming Willis, spoke about her husband's condition last month.

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