<prompt> Zonules of zinn:Provide stability to eyeballSuspend the lensAre attached at posterior pole of lensAre attached to extraocular muscles  <response>: Zonules of zinn suspend the lens and enable the ciliary muscles to act upon them. Suspensory ligaments of lens : Also called zonules of zinn ciliary zonules. Consist of fibres passing from ciliary body to lens. Extend from ora serrata to edge of the lens. Hold the lens in position. Enable the ciliary muscles to act upon them in accommodation. 