Microvision Inc. announced it has received an order from the US Army's Program Executive Office-Soldier for 100 units of a modified version of its Nomad helmet-mounted, head-up display system. The systems will be installed in selected combat vehicles of the 3rd Brigade, 2nd Division, which will deploy to Iraq this fall.   . . .   Royal Philips Electronics announced today that it will collaborate with CellPoint LLC, a biotechnology company based in Englewood, Colo., to optimize CellPoint's diagnostic imaging agent on Philips' SKYLight gantry-free gamma camera. The companies will share clinical trial costs to develop a molecular imaging technology that can help clinicians more accurately diagnose cancer and prescreen patients for therapy.   . . .   Axsys Technologies, a maker of precision optomechanical components and assemblies, announced today it has signed an agreement to sell high-performance airbearing scanners to Eastman Kodak Co.'s Health Imaging Group. The scanners are used in laser optics assemblies of imaging systems that print medical images from magnetic resonance imaging, computed tomography, computed radiography, digital radiography and other medical modalities onto radiographic film. The Axsys scanner, which has been incorporated into the optics assembly of the Kodak DryView 8900 laser imaging system, produces medical images at 650 dots per inch.