C172 PILOT REPORTS EXPEDITIOUSLY CLEARING TXWY WHEN HELICOPTER LANDING OPPOSITE DIRECTION APPEARS TO BE IN CONFLICT. REPORTER'S WINGTIP CONTACTS WINGTIP OF PARKED ACFT DURING MANEUVER.

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WHILE IN THE PATTERN AT ZZZ; I COMMUNICATED MY INTENTIONS AND RECEIVED A REPLY FROM ANOTHER ACFT IN THE LCL AREA THAT THEY HAD ME IN SIGHT AND THAT WE POSED NO PROB TO EACH OTHER. I THEN WENT AHEAD AND PROCEEDED TO LAND ON RWY 24. I EXITED THE ACTIVE RWY ONTO THE TXWY AND; WHEN ALMOST READY TO TURN IN TO THE MAIN RAMP AREA FROM THE TXWY; I NOTICED AN ACFT; WHICH INITIALLY APPEARED TO BE A FIXED WING ACFT BUT LATER TURNED OUT TO BE A CHOPPER; MAKE A SWEEPING L BASE TURN ONTO A SHORT FINAL TO THE RWY 24 TXWY. I COULDN'T BELIEVE WHAT WAS HAPPENING! THIS ACFT WAS COMING STRAIGHT TOWARD ME JUST ABOVE THE TXWY; WAS CLEARLY PLANNING TO LAND (AND DID) ON THE TXWY THAT I WAS OCCUPYING; AND ALL I COULD SEE AT THE TIME WAS A VERY BRIGHT LNDG LIGHT DEAD AHEAD. AT THIS TIME; I HURRIED OFF THE TXWY ONTO THE MAIN RAMP AREA IN ORDER TO GET OUT OF THE WAY. SOMEWHAT TENSE FROM THIS ENTIRE EXPERIENCE; COUPLED WITH THE FACT THAT MY NIGHT VISION ACUITY HAD BEEN SEVERELY IMPAIRED BY THE BRIGHT LNDG LIGHT OF THE LNDG CHOPPER AHEAD OF ME ON THE TXWY; MY ACFT'S L WING CAME IN CONTACT (AS IT TRAVELED OVER) THE R WING OF A TIED DOWN C172 ACFT; SOLELY AS A CONSEQUENCE OF MY IMPAIRED NIGHT VISION. I THEN TAXIED ON TO OUR HANGAR AND; AFTER SECURING OUR ACFT; I PROCEEDED TO CHK OUT BOTH ACFT.