optic nerve
Eye-to-brain pathway
The optic nerve is the bundle of nerve fibers that carries visual information from the retina to the brain.
Each eye has its own optic nerve, and damage to it can cause partial or complete blindness in that eye.
The tumor was pressing on her optic nerve.
Light-sensing tissue layer
- ganglionPeripheral nerve cell cluster
- axonNeuron's signal-sending projection
- myelinNerve fiber insulation
- chiasmX-shaped crossing point
tract · papilla · disc · head · sheath · fiber · bundle · pathway
Message-conveying cue
- transmissionSending of information
- impulseSudden urge to act
- conductionHeat transfer through contact
- relayStage-by-stage transmission
processing · encoding · photoreceptor · rod · cone · brightness · contrast · color
Inflamed neural tissue disorder
- neuropathyDamage to peripheral nerves
- atrophyWasting from disuse
- swellingAbnormal tissue enlargement
- inflammationProtective tissue response
damage · compression · degeneration · glaucoma · ischemia · demyelination · lesion · hypoplasia
Medical specialty for eyes
- ophthalmoscopeDevice for viewing retinas
- MRIMagnetic body imaging
- neurologistPhysician specializing in nervous system
- examinationMethodical assessment or review
pupil response · cupping · pallor · edema · screening
retina
Light-sensing tissue layer
- ganglionPeripheral nerve cell cluster
- axonNeuron's signal-sending projection
- myelinNerve fiber insulation
chiasm · tract · papilla · disc · head · sheath · fiber · bundle · pathway · cranial
signal
Message-conveying cue
- transmissionSending of information
- impulseSudden urge to act
- conductionHeat transfer through contact
relay · processing · encoding · photoreceptor · rod · cone · brightness · contrast · color · depth
neuritis
Inflamed neural tissue disorder
- neuropathyDamage to peripheral nerves
- atrophyWasting from disuse
- swellingAbnormal tissue enlargement
inflammation · damage · compression · degeneration · glaucoma · ischemia · demyelination · lesion · hypoplasia · glioma
ophthalmology
Medical specialty for eyes
- ophthalmoscopeDevice for viewing retinas
- MRIMagnetic body imaging
- neurologistPhysician specializing in nervous system
examination · pupil response · cupping · pallor · edema · screening
- visual systemretina, visual cortex, photoreceptors, rods, cones
- body partsarm, leg, hand, back, chest
- visionsharp, eye, visual perception, sight, eyes
- nervous systembrain, neurons, nerves, spinal cord, axon
- ophthalmologyeye diseases, eye surgery, cornea, retina, iris
- eye anatomyeyeball, cornea, iris, retina, pupil
optic nervevisual cortex
Brain's sight-processing region
retina · occipital lobe · superior colliculus · photoreceptors
nerve, optical, optic, optics, optician, optometrist, optometry, opticians, optically