The calculation results show that the conjugated double bonds of 11 cis retinal portion of rhodopsin has an absorption maximum at 563 nm,which is the difference between π(HOMO) and π *(LUMO),and it is close to the experimental results(498 nm for rhodopsin and 534 nm for prelumirhodopsin).
The π bond order between C 11 and C 12 is 1.586 0 in excited state less than 1.746 9 in ground state, so excited state 11 cis retinal portion of rhodopsin is easily isomerized to the all trans form of metarhodopsin Ⅱ when rhodopsin absorbs a photon of light.
Best-corrected visual acuity, intraocular pressure, retinal thickness and FFA were observed.
At the early stages of retina development, the neuroepithelial cells divide synchronously, thus leading to the accumulation of a certain number of the retinal rudiment cells.
Synchronous divisions precede the asynchronous ones, when the differentiation of the retinal cells is initiated.
The multipotent cells of the retinal ciliary-terminal zone and cells of the pigment epithelium in the eye periphery provide for the growth of amphibian and fish eyes during the entire life of these animals.
The main event of retinal regeneration in newts is the transdifferentiation of the pigment epithelium cells.