READING had to come from a goal down to take a draw as Harvey Knibbs netted his seventh League One goal of the campaign.
The result leaves the Royals in the drop zone and three points adrift of safety.
With a tightly contested bottom end of the table, there are several teams within touching distance.
DAVID BUTTON 6: Spilled a shot which should have led to a goal for Forde.Made a strong save to deny Orient after Bindon gave away the ball
ANDY YIADOM 7: His strong form continues. Really lively down the right in both defence and attack. Should have had an assist after Knibbs and Mukairu failed to convert his low cross.
TYLER BINDON 4: A couple of shaky moments, which included gifting Orient the ball late on but Button came to his rescue.
TOM HOLMES 5: Could have no complaints when the referee awarded Orient a penalty after the ball struck his arm in the box.
JERIEL DORSETT 5: Solid defensively but didn’t offer Mukairu much support on the overlap going forward. Replaced by Mola before an hour.
CHARLIE SAVAGE 5: A fairly quiet display. Taken off early in the second-half for Michael Craig.
LEWIS WING 6: Had a late chance, but took too long to get his shot away which was blocked. Battled hard as Reading struggled for the ball in the second-half.
HARVEY KNIBBS 7: Bagged his seventh league goal of the season. His energy once again vital to Reading’s press.
FEMI AZEEZ 6.5: Always a threat down the right with his pace and directness, which could have led to a goal late on had his final ball been a touch better.
PAUL MUKAIRU 5: Quieter game than he had on Tuesday. A couple of decent moments, but final pass was lacking.
SAM SMITH 6: Strong hold up play and caused problems with his front post runs at corners, which led to the equaliser. Dealt with comfortably in the second-half by Orient.
Clinton Mola 6, Michael Craig 6, Amadou Mbengue n/a, Caylan Vickers n/a, Tom McIntyre n/a