Binocular Vision Fundamentals
Expert-defined terms from the Masterclass Certificate in Binocular Vision course at LearnUNI. Free to read, free to share, paired with a professional course.
Abduction refers to the movement of the eye away from the midline of the body, t… #
Abduction refers to the movement of the eye away from the midline of the body, this is an essential concept in understanding binocular vision fundamentals, as it is related to adduction, which is the movement of the eye towards the midline of the body, both movements are crucial for proper eye alignment and binocular vision.
Accommodation is the process by which the eye changes optical power to maintain… #
Accommodation is the process by which the eye changes optical power to maintain a clear image or focus on an object as its distance varies, in the context of binocular vision, accommodative ability is essential for tasks that require focusing on objects at different distances.
Acuity is a measure of the sharpness of vision, it is an important concept in bi… #
Acuity is a measure of the sharpness of vision, it is an important concept in binocular vision fundamentals as it is related to the ability to see objects clearly and perform tasks that require visual detail.
Adduction is the movement of the eye towards the midline of the body, it is esse… #
Adduction is the movement of the eye towards the midline of the body, it is essential for proper eye alignment and binocular vision, and is related to abduction, which is the movement of the eye away from the midline of the body.
Amblyopia is a condition where there is a reduction or lack of clear vision in o… #
Amblyopia is a condition where there is a reduction or lack of clear vision in one eye, it can result from various factors, including strabismus or other binocular vision problems, and can be treated with vision therapy.
Anaglyph is a type of 3D image that uses red and cyan filters to c… #
Anaglyph is a type of 3D image that uses red and cyan filters to create the illusion of depth, it is used to demonstrate binocular vision principles and to create stereoscopic images.
Aniseikonia is a condition where the images seen by each eye are of different si… #
Aniseikonia is a condition where the images seen by each eye are of different sizes, it can cause binocular vision problems and can be treated with prism lenses or other corrective measures.
Anterior chamber is the space between the cornea and the iris, it is filled with… #
Anterior chamber is the space between the cornea and the iris, it is filled with aqueous humor and is an important structure in the eye, related to the posterior chamber.
Asthenopia is eye strain or fatigue, it can result from prolonged use of the eye… #
Asthenopia is eye strain or fatigue, it can result from prolonged use of the eyes, especially for tasks that require binocular vision, and can be alleviated with rest and proper eye care.
Base #
in prism is a type of prism that is used to treat exotropia or other binocular vision problems, it works by bending light and changing the perceived position of objects.
Base #
out prism is a type of prism that is used to treat esotropia or other binocular vision problems, it works by bending light and changing the perceived position of objects.
Bates method is a system of eye exercises and techniques developed by William Ba… #
Bates method is a system of eye exercises and techniques developed by William Bates to improve vision and treat binocular vision problems, it includes methods such as palming and swinging.
Binocular disparity is the difference in the images seen by each eye, it is an i… #
Binocular disparity is the difference in the images seen by each eye, it is an important cue for depth perception and is used by the brain to calculate distance.
Binocular vision is the ability to use both eyes together to perceive the world,… #
Binocular vision is the ability to use both eyes together to perceive the world, it is essential for tasks that require depth perception, judgment, and fine motor skills.
Cataract is a condition where the lens of the eye becomes cloudy, it can cause <… #
Cataract is a condition where the lens of the eye becomes cloudy, it can cause vision problems and can be treated with surgery.
Choroid is the layer of blood vessels between the sclera and retina, it provides… #
Choroid is the layer of blood vessels between the sclera and retina, it provides oxygen and nourishment to the eye.
Ciliary body is the structure that produces aqueous humor and changes the… #
Ciliary body is the structure that produces aqueous humor and changes the shape of the lens, it is an important part of the eye and is related to accommodation.
Color vision is the ability to see colors, it is mediated by the cone cel… #
Color vision is the ability to see colors, it is mediated by the cone cells in the retina and is an important aspect of visual perception.
Conjugate movement is the movement of both eyes in the same direction, it is an… #
Conjugate movement is the movement of both eyes in the same direction, it is an essential aspect of binocular vision and is related to disjunctive movement.
Convergence is the movement of the eyes towards each other, it is an important c… #
Convergence is the movement of the eyes towards each other, it is an important cue for depth perception and is used by the brain to calculate distance.
Cornea is the transparent outer layer of the eye, it is responsible for refra… #
Cornea is the transparent outer layer of the eye, it is responsible for refracting light and is an important structure in the eye.
Cyclophoria is a condition where the eyes have a tendency to rotate, it can caus… #
Cyclophoria is a condition where the eyes have a tendency to rotate, it can cause binocular vision problems and can be treated with prism lenses or other corrective measures.
Cyclovertical strabismus is a condition where the eyes have a tendency to rotate… #
Cyclovertical strabismus is a condition where the eyes have a tendency to rotate vertically, it can cause binocular vision problems and can be treated with prism lenses or other corrective measures.
Depth perception is the ability to perceive the distance of objects, it is an es… #
Depth perception is the ability to perceive the distance of objects, it is an essential aspect of binocular vision and is mediated by cues such as binocular disparity and convergence.
Diopter is a unit of measurement of refractive power, it is used to descr… #
Diopter is a unit of measurement of refractive power, it is used to describe the power of lenses and is an important concept in optometry and ophthalmology.
Diplopia is double vision, it can result from strabismus or other binocul… #
Diplopia is double vision, it can result from strabismus or other binocular vision problems, and can be treated with prism lenses or other corrective measures.
Disjunctive movement is the movement of the eyes in opposite directions, it is a… #
Disjunctive movement is the movement of the eyes in opposite directions, it is an important aspect of binocular vision and is related to conjugate movement.
Distance vision is the ability to see objects at a distance, it is an essential… #
Distance vision is the ability to see objects at a distance, it is an essential aspect of binocular vision and is mediated by cues such as binocular disparity and convergence.
Divergence is the movement of the eyes away from each other, it is an important… #
Divergence is the movement of the eyes away from each other, it is an important cue for depth perception and is used by the brain to calculate distance.
Dominant eye is the eye that is preferred for tasks that require binocular</i… #
Dominant eye is the eye that is preferred for tasks that require binocular vision, it is an important concept in understanding binocular vision fundamentals.
Eccentric fixation is the ability to focus on objects that are not directly in f… #
Eccentric fixation is the ability to focus on objects that are not directly in front of the eye, it is an important aspect of binocular vision and is related to central fixation.
Emmetropia is normal vision, it is the ability to see objects clearly at a dista… #
Emmetropia is normal vision, it is the ability to see objects clearly at a distance without the need for corrective lenses.
Esotropia is a condition where the eyes have a tendency to turn inward, it can c… #
Esotropia is a condition where the eyes have a tendency to turn inward, it can cause binocular vision problems and can be treated with prism lenses or other corrective measures.
Exophoria is a condition where the eyes have a tendency to turn outward, it can… #
Exophoria is a condition where the eyes have a tendency to turn outward, it can cause binocular vision problems and can be treated with prism lenses or other corrective measures.
Exotropia is a condition where the eyes have a tendency to turn outward, it can… #
Exotropia is a condition where the eyes have a tendency to turn outward, it can cause binocular vision problems and can be treated with prism lenses or other corrective measures.
Eye movement is the ability to move the eyes, it is an essential aspect of binoc… #
Eye movement is the ability to move the eyes, it is an essential aspect of binocular vision and is related to fixation and tracking.
Fixation is the ability to focus on an object, it is an important aspect of bino… #
Fixation is the ability to focus on an object, it is an important aspect of binocular vision and is related to eye movement and tracking.
Fovea is the central part of the retina, it is responsible for central vi… #
Fovea is the central part of the retina, it is responsible for central vision and is an important structure in the eye.
Fusion is the ability to combine the images from each eye, it is an essential as… #
Fusion is the ability to combine the images from each eye, it is an essential aspect of binocular vision and is related to stereopsis and binocular disparity.
Heterophoria is a condition where the eyes have a tendency to deviate, it can ca… #
Heterophoria is a condition where the eyes have a tendency to deviate, it can cause binocular vision problems and can be treated with prism lenses or other corrective measures.
Hyperopia is a condition where the eye is too short, it can cause vision … #
Hyperopia is a condition where the eye is too short, it can cause vision problems and can be treated with corrective lenses.
Hypophoria is a condition where the eyes have a tendency to turn downward, it ca… #
Hypophoria is a condition where the eyes have a tendency to turn downward, it can cause binocular vision problems and can be treated with prism lenses or other corrective measures.
Interpupillary distance is the distance between the centers of the pupils, it is… #
Interpupillary distance is the distance between the centers of the pupils, it is an important concept in understanding binocular vision fundamentals and is related to eye movement and alignment.
Intraocular lens is a type of lens that is implanted inside the eye, it is used… #
Intraocular lens is a type of lens that is implanted inside the eye, it is used to treat cataracts and other vision problems.
Iris is the colored part of the eye, it is responsible for controlling th… #
Iris is the colored part of the eye, it is responsible for controlling the amount of light that enters the eye and is an important structure in the eye.
Isotropia is a condition where the eyes are aligned properly, it is an important… #
Isotropia is a condition where the eyes are aligned properly, it is an important concept in understanding binocular vision fundamentals and is related to heterophoria and strabismus.
Lateral rectus muscle is one of the muscles that control eye movement, it is res… #
Lateral rectus muscle is one of the muscles that control eye movement, it is responsible for abduction and is an important structure in the eye.
Lens is the transparent structure inside the eye that changes shape to focus on… #
Lens is the transparent structure inside the eye that changes shape to focus on objects, it is an important part of the eye and is related to accommodation and refraction.
Macula is the part of the retina responsible for central vision, it is an… #
Macula is the part of the retina responsible for central vision, it is an important structure in the eye and is related to fovea and vision loss.
Medial rectus muscle is one of the muscles that control eye movement, it is resp… #
Medial rectus muscle is one of the muscles that control eye movement, it is responsible for adduction and is an important structure in the eye.
Microstrabismus is a condition where the eyes have a small deviation, it can cau… #
Microstrabismus is a condition where the eyes have a small deviation, it can cause binocular vision problems and can be treated with prism lenses or other corrective measures.
Monocular vision is the ability to see with one eye, it is an important concept… #
Monocular vision is the ability to see with one eye, it is an important concept in understanding binocular vision fundamentals and is related to binocular vision and depth perception.
Myopia is a condition where the eye is too long, it can cause vision prob… #
Myopia is a condition where the eye is too long, it can cause vision problems and can be treated with corrective lenses.
Near vision is the ability to see objects up close, it is an essential aspect of… #
Near vision is the ability to see objects up close, it is an essential aspect of binocular vision and is mediated by cues such as convergence and accommodation.
Nystagmus is a condition where the eyes have a tendency to move rapidly, it can… #
Nystagmus is a condition where the eyes have a tendency to move rapidly, it can cause vision problems and can be treated with prism lenses or other corrective measures.
Ocular motor system is the system that controls eye movement, it is an important… #
Ocular motor system is the system that controls eye movement, it is an important aspect of binocular vision and is related to fixation and tracking.
Oculus dexter is the right eye, it is an important concept in understanding bino… #
Oculus dexter is the right eye, it is an important concept in understanding binocular vision fundamentals and is related to oculus sinister and binocular vision.
Oculus sinister is the left eye, it is an important concept in understanding bin… #
Oculus sinister is the left eye, it is an important concept in understanding binocular vision fundamentals and is related to oculus dexter and binocular vision.
Optic chiasm is the part of the brain where the optic nerves cross, it is an imp… #
Optic chiasm is the part of the brain where the optic nerves cross, it is an important structure in the visual pathway and is related to binocular vision and depth perception.
Optic nerve is the nerve that carries visual information from the eye to the bra… #
Optic nerve is the nerve that carries visual information from the eye to the brain, it is an important structure in the visual pathway and is related to vision loss and blindness.
Orthophoria is a condition where the eyes are aligned properly, it is an importa… #
Orthophoria is a condition where the eyes are aligned properly, it is an important concept in understanding binocular vision fundamentals and is related to heterophoria and strabismus.
Panum's area is the area in the visual field where the images from each eye over… #
Panum's area is the area in the visual field where the images from each eye overlap, it is an important concept in understanding binocular vision fundamentals and is related to binocular disparity and depth perception.
Papilla is the part of the optic nerve that is visible in the eye, it is an impo… #
Papilla is the part of the optic nerve that is visible in the eye, it is an important structure in the eye and is related to vision loss and blindness.
Perimetry is the measurement of the visual field, it is an important diagnostic… #
Perimetry is the measurement of the visual field, it is an important diagnostic tool for detecting vision problems and is related to visual field and blindness.
Phoria is a condition where the eyes have a tendency to deviate, it can cause <i… #
Phoria is a condition where the eyes have a tendency to deviate, it can cause binocular vision problems and can be treated with prism lenses or other corrective measures.
Posterior chamber is the space between the iris and the lens, it is filled with… #
Posterior chamber is the space between the iris and the lens, it is filled with aqueous humor and is an important structure in the eye.
Presbyopia is a condition where the eye loses its ability to focus on objects up… #
Presbyopia is a condition where the eye loses its ability to focus on objects up close, it is an important concept in understanding binocular vision fundamentals and is related to aging and vision loss.
Prism is a type of lens that bends light, it is used to treat binocular v… #
Prism is a type of lens that bends light, it is used to treat binocular vision problems and is related to base-in prism and base-out prism.
Pupil is the opening in the center of the iris, it is responsible for control… #
Pupil is the opening in the center of the iris, it is responsible for controlling the amount of light that enters the eye and is an important structure in the eye.
Pupillary distance is the distance between the centers of the pupils, it is an i… #
Pupillary distance is the distance between the centers of the pupils, it is an important concept in understanding binocular vision fundamentals and is related to eye movement and alignment.
Refraction is the bending of light as it passes through a medium, it is an impor… #
Refraction is the bending of light as it passes through a medium, it is an important concept in understanding binocular vision fundamentals and is related to lenses and vision correction.
Retina is the light #
sensitive tissue at the back of the eye, it is an important structure in the eye and is related to vision loss and blindness.
Retinoscopy is the measurement of the refractive power of the eye, it is an impo… #
Retinoscopy is the measurement of the refractive power of the eye, it is an important diagnostic tool for detecting vision problems and is related to refraction and vision correction.
Saccade is a rapid movement of the eyes, it is an important aspect of binocular… #
Saccade is a rapid movement of the eyes, it is an important aspect of binocular vision and is related to fixation and tracking.
Sclera is the white part of the eye, it is an important structure in the eye and… #
Sclera is the white part of the eye, it is an important structure in the eye and is related to protection and support.
Simultaneous perception is the ability to perceive the images from each eye at t… #
Simultaneous perception is the ability to perceive the images from each eye at the same time, it is an important concept in understanding binocular vision fundamentals and is related to binocular vision and depth perception.
Stereoacuity is the ability to perceive depth using binocular disparity, it is a… #
Stereoacuity is the ability to perceive depth using binocular disparity, it is an important concept in understanding binocular vision fundamentals and is related to binocular vision and depth perception.
Strabismus is a condition where the eyes are not aligned properly, it can cause… #
Strabismus is a condition where the eyes are not aligned properly, it can cause binocular vision problems and can be treated with prism lenses or other corrective measures.
Suppression is the ability to ignore the image from one eye, it is an important… #
Suppression is the ability to ignore the image from one eye, it is an important concept in understanding binocular vision fundamentals and is related to amblyopia and binocular vision.
Syntropia is a condition where the eyes are aligned properly, it is an important… #
Syntropia is a condition where the eyes are aligned properly, it is an important concept in understanding binocular vision fundamentals and is related to heterophoria and strabismus.
Tonometry is the measurement of the pressure inside the eye, it is an important… #
Tonometry is the measurement of the pressure inside the eye, it is an important diagnostic tool for detecting glaucoma and is related to pressure and vision loss.
Torsion is the rotation of the eye around its axis, it is an important aspect of… #
Torsion is the rotation of the eye around its axis, it is an important aspect of binocular vision and is related to cyclophoria and cyclovertical strabismus.
Tracking is the ability to follow a moving object with the eyes, it is an import… #
Tracking is the ability to follow a moving object with the eyes, it is an important aspect of binocular vision and is related to fixation and eye movement.
Version movement is the movement of both eyes in the same direction, it is an es… #
Version movement is the movement of both eyes in the same direction, it is an essential aspect of binocular vision and is related to conjugate movement and vergence.
Vergence movement is the movement of the eyes towards or away from each other, i… #
Vergence movement is the movement of the eyes towards or away from each other, it is an essential aspect of binocular vision and is related to convergence and divergence.
Vertical strabismus is a condition where the eyes have a tendency to deviate ver… #
Vertical strabismus is a condition where the eyes have a tendency to deviate vertically, it can cause binocular vision problems and can be treated with prism lenses or other corrective measures.
Vision therapy is a type of treatment that is used to improve vision and… #
Vision therapy is a type of treatment that is used to improve vision and treat binocular vision problems, it includes methods such as eye exercises and prism lenses.
Visual acuity is the ability to see objects clearly, it is an important concept… #
Visual acuity is the ability to see objects clearly, it is an important concept in understanding binocular vision fundamentals and is related to refraction and vision correction.
Visual field is the area in which objects can be seen, it is an important concep… #
Visual field is the area in which objects can be seen, it is an important concept in understanding binocular vision fundamentals and is related to perimetry and blindness.
Vitreous humor is the clear gel #
like substance that fills the center of the eye, it is an important structure in the eye and is related to vision loss and blindness.
Worth four #
dot test is a test that is used to detect suppression and other binocular vision problems, it is an important diagnostic tool for detecting vision problems and is related to binocular vision and depth perception.
Yoke muscles are the muscles that work together to move the eyes, they are an im… #
Yoke muscles are the muscles that work together to move the eyes, they are an important aspect of binocular vision and are related to conjugate movement and vergence.