The Cosby Show veteran is in court on Tuesday and Wednesday (01-02Nov16), as he continues to fight allegations he drugged and sexually assaulted former Temple University employee Andrea Constand at his Pennsylvania home in 2004.

He is facing three charges of felony indecent assault, which his representatives have repeatedly denied, while other alleged victims have also come forward with similar decades-old allegations against Cosby, although the statute of limitations has expired in many of their cases.

On Monday (31Oct16), Cosby's lawyers announced they will seek competency hearings for his accusers who will be allowed to testify because they insist the accusations are coming from "tainted, unreliable memories of women, now in their senior years."

"Because Mr. Cosby was never charged, let alone convicted, the jury could be tempted to convict him in this case simply to punish him for the other incidents which are now nothing more than vague recollections," defence lawyers Brian MCMonagle and Angela Agrusa wrote in the filing.

Prosecutors are hoping to have 13 out of the 60 accusers testify in a bid to demonstrate a pattern of "prior bad acts", according to Billboard.com.

The filing comes days after Cosby's legal team filed a motion in a Pennsylvania court on Thursday (27Oct16), insisting the actor's ailing eyesight, coupled with a memory which has "substantially declined", means he is unable to positively identify his accusers and is therefore unable to mount a substantial defence.

His legal representatives also revealed the embattled comedian has registered himself with the Massachusetts Commission for the Blind, and they planned to present proof of his condition at Tuesday's hearing.

The case is tentatively set to go to trial in June (17).