The posterior segment or posterior cavity is the back two-thirds of the eye that includes the anterior hyaloid membrane and all of the optical structures...

by manual iridectomy. The upper half of a sagittal section through the front of the eyeball (posterior chamber of eye labeled at center right) Anterior...

and lens. Within the anterior segment are two fluid-filled spaces: the anterior chamber between the posterior surface of the cornea (i.e. the corneal endothelium)...

surgery of the posterior segment of eyeball; this surgery is known as pars plana vitrectomy. Lee Ann, Remington. Clinical anatomy and physiology of the visual...

composed of an anterior (front) segment and the posterior (back) segment. The anterior segment is made up of the cornea, iris and lens. The cornea is transparent...

body, a structure supporting the lens of the eyeball. It fills both the anterior and the posterior chambers of the eye, and is not to be confused with...

Hominidae) possessing a trichromatic color perception. The dimensions of the eyeball vary only 1–2 mm among humans. The vertical axis is 24 mm, while the...

diabetic retinopathy, white cataract, posterior polar cataract, inability to visualize the posterior segment preoperatively, pseudoexfoliation (exfoliation...

original on 2015-02-11. Retrieved 2012-07-16. Atlas image: eye_2 at the University of Michigan Health System - "Sagittal Section Through the Eyeball"...

the eyeball (bulbus oculi). In the anterior segment of the eye, involving the cornea and the nearby sclera. It is an ectasia and outpouching of the pseudocornea...

Olfactory organ Eye and related structures Eyeball Fibrous layer of eyeball Sclera Cornea Vascular layer of eyeball Choroid Ciliary body Ciliary processes...

of the standard vitrectomy procedure. Fluid/air exchange – injection of air into the eye to remove the intraocular fluid from the posterior segment of...

and its entrance into the eyeball, in horizontal section The interior of the posterior half of the left eyeball Structures of the eye labeled This image...

being pulled tight by the pressure of the eyeball. At short focal distance the ciliary muscle contracts relieving some of the tension on the ligaments, allowing...

an increased risk of macular degeneration, retinal detachment, cataracts, and glaucoma. Myopia results from the length of the eyeball growing too long...

eye_1 at the University of Michigan Health System - "Sagittal Section Through the Eyeball" Atlas image: eye_3 at the University of Michigan Health System...

Richard F. (2014). "Proposed Lexicon for Anatomic Landmarks in Normal Posterior Segment Spectral-Domain Optical Coherence Tomography". Ophthalmology. 121...

is a table of skeletal muscles of the human anatomy, with muscle counts and other information. Skeletal muscle maps Anterior view Posterior view A more...

fluorescein dye and by applying gentle upward pressure with a finger to the eyeball through the lower lid. In pure aqueous tear deficiency dry eye patients...

is prepared by disinfection of the area around the eye and any other exposed area of the face, and exposure of the eyeball using an eyelid speculum; The...

strain. Near-sightedness is due to the length of the eyeball being too long; far-sightedness the eyeball too short; astigmatism the cornea being the wrong...

the eyeball during sclerocorneal tunnel incision, and during extraction of the nucleus and epinucleus through the tunnel. A defining characteristic of this...

of dry eyes. In surgical procedures in the anterior segment of eyeball, instillation of sodium hyaluronate its viscoelasticity enables maintenance of...

Resection Tucking Advancement is the movement of an eye muscle from its original place of attachment on the eyeball to a more forward position. Transposition...

or emergency department doctors should refer cases involving the posterior segment of the eye or intraocular foreign bodies to an ophthalmologist. Ideally...

the shape of the lens. Changing the position of the lens relative to the retina. Changing the axial length of the eyeball. Changing the shape of the cornea...

moves, even if the eyeball does not. It is thought that the eyelid can be described as a sliding potential source and that the impacting of blinking is different...

outflow. The reason for this is because the vitreous humour in the posterior segment has a relatively fixed volume and thus does not affect intraocular...

conspicuously large and strong in relation to the small size and weight of the eyeball. It is frequently said that they are "the strongest muscles for the...

and the sclera. It is potentially vision-threatening. In the posterior segment of the eyeball: Vitreous hemorrhage (into the vitreous) Subretinal hemorrhage...