Eyes - Science where does it stand ??

Eyes - Science where does it stand ?? We hail science as though it had achieved many greats and conquered lofty heights etc True to some and greater extent But at the same time sciene has its own limitations which is what this post all about Eyes - this wonderful organ of sight Science , still could not unravel the mysteries behind it Its found out that abt 500 million optical nerves are workg towards functioning of this organ Science still confused how this is functioning ?? It could not give answer properly why images are received topsy turvy on eye balls and they are reversed when transmitted to brain for further processing why this complicated processsing ?? Science till now has no answers - Do you have any ?? Even after so many millions of years of science and its development , EYES eluding science - its wonder na?? BG Badhey Venkatesh