Three-time world champion Mark Williams says he has a "big determination to make" complete whether to spell done pinch lens replacement surgery.
The Welshman, who is level astatine 8-8 pinch world number 1 Judd Trump successful his World Championship semi-final astatine nan Crucible, is scheduled to person nan process connected 12 June.
Williams, who turned 50 successful March, said precocious that his "eyes had wholly gone" and that his eyesight had "deteriorated rather badly" successful nan erstwhile six months.
However, he says he has been discouraged aft chap master Anthony Hamilton, erstwhile classed successful nan world's apical 10, told him it had "ruined his career".
Williams said: "I person been reference up and talking to group who person had it done and I've sewage to beryllium honest, it is putting maine disconnected a bit.
"I've sewage a large determination to make. A mates of group I person spoken to, particularly Anthony Hamilton astatine length, person said it is nary bully nether nan lights and it has ruined his career.
"It has benignant of put maine nether pressure. After this is finished, it is thing I americium going to person to look much into."
Williams won nan Champion of Champions title successful November, 2 months aft reaching nan last of nan Saudi Arabia Masters, and is presently classed sixth successful nan world.
Before nan World Championship, he tried playing pinch interaction lenses but elected to play without them aft discussions pinch his coach Lee Walker.
He has defeated Wu Yize, Hossein Vafaei and won a classical against chap 'Class of 92' personnel John Higgins connected nan last achromatic successful Sheffield.
Should he hit Trump, he would go nan oldest subordinate to scope a Crucible final.
"I americium successful nan semi-final of nan biggest tourney we've got," he added. "I americium still playing alright. What do you do? Do I support playing blurry? I don't know."