MARK WILLIAMS is contemplating cancelling main eye surgical procedure after making World Championship historical past.
The Welshman, 50, pipped fellow Class of 92 snooker legend John Higgins 13-12 to turn out to be the oldest Crucible semi-finalist since 1985.
However Williams steered he was enjoying “half blind” as he battled with deteriorating eyesight.
The three-time world champion had deliberate an operation to repair the issue.
However his persevering with progress on the Crucible is giving him second ideas.
Williams now faces World No.1 Judd Trump, beginning on Thursday.
And he digested the query of his worsening imaginative and prescient as he analysed his all-the-way epic with Higgins.
BBC pundit Ken Doherty seen the victor was carrying glasses for his or her interview.
And the Irishman, who received the world title in 1997, joked that Higgins’ conqueror wasn’t “enjoying dangerous for a blind man”.
Removed from draw back from the matter, Williams opened up on his difficult state of affairs.
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He stated: “I’ve bought an enormous choice to make now, do I cancel my op? I do not know.”
Requested how his eyesight has been affecting his recreation, Williams added: “I have not performed with glasses but, that was my subsequent step.Â
“I attempted contacts, struggled with them. Seems like I am nonetheless doing alright, half blind.”
Williams survived Higgins reeling off 4 frames in a row to make it 12-12 by nicking the ultimate body 74-69.
And their Class of 92 rival, Ronnie O’Sullivan, can be into the final 4.
The Rocket, 49, booked a conflict with Zhao Xintong by overcoming Si Jiahui 13-9.