Abby watches him move the book closer, further, back again. Watches him blink hard several times. A frown develops on his face as he rubs his eyes. After a few moments he tosses the book down. A look of defeat in his features.

"Marcus." He looks up unaware she was here; unsure how long had been.

"Yes?"

"How many fingers am I holding up?" Abby puts four fingers in the air and waits. When he doesn't respond immediately she knows.

"Four." After a few moments and quick blinking that she knew he tried to hide he finally answered.

"Marcus. You need glasses."

"I'm fine. Its late. I'm tired." Abby shakes her head approaching him to make sure he could see her.

"It's nothing to be ashamed of. I'm surprised with the oxygen deprivation on the Ark not more of us have vision issue. But you need to take of this before you do yourself or others harm." Marcus knows she speaking of his gun and hitting a bystander because he couldn't see the real target.

"Its hard to admit not being in control and getting old." He smirks.

"For the record I think you'll look really sexy in glasses."

"If I had known that I'd have said something months ago!"

"Come on lets get to medical and see what's going on."