The use of more equal as in from now on their relationship will be a more equal one is acceptable in modern English usage. Equally is preferred to equally as in sentences such as reassuring the victims is equally important.
a pathway over which a visual sensation is transmitted from the retina to the brain. A pathway consists of an optic nerve, the fibers of an optic nerve traveling through the optic chiasm to the lateral geniculate body of the thalamus, and optic radiations terminating in an occipital lobe. Each optic nerve contains fibers from only one retina.
Within the retina patterns of light are converted into electrical impulses that are sent along nerves out of the eye along the optic nerve towards the brain. Visual processing to enhance edge detection, and the processing of colour and movement begins within the retina.