Posterior segment of eyeball

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 behind it: the vitreous humor, retina, choroid, and optic nerve. The portion of the posterior segment visible during ophthalmoscopy (or fundoscopy) is sometimes referred to as the posterior pole, or fundus. Some ophthalmologists specialize in the treatment and management of posterior segment disorders and diseases. In some animals, the retina contains a reflective layer (the tapetum lucidum) which increases the amount of light each photosensitive cell perceives, reflecting the light out of the eye, allowing the animal to see better under lo (Wikipedia)

Related conditions

• absolute glaucoma
• acute contagious conjunctivitis
• Adie syndrome
• agenesis of corpus callosum, cardiac, ocular, and genital syndrome
• Aland Island eye disease
• Alport syndrome 3B
• aniridia
• aniridia 1
• anterior segment dysgenesis
• astigmatism
• autoinflammation, antibody deficiency, and immune dysregulation syndrome
• autosomal dominant vitreoretinochoroidopathy