the eye - Mrothery.co.uk
... This tough layer creates the "white" of the eye except in the front where it forms the transparent cornea. The cornea admits light to the interior of the eye and bends the light rays to that they can be brought to a focus. The surface of the cornea is kept moist and dust-free by secretions fro ...
... This tough layer creates the "white" of the eye except in the front where it forms the transparent cornea. The cornea admits light to the interior of the eye and bends the light rays to that they can be brought to a focus. The surface of the cornea is kept moist and dust-free by secretions fro ...
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... • Ganglion cell axons – Run along the _______________ of the reBna – Leave the eye as the opBc nerve ...
... • Ganglion cell axons – Run along the _______________ of the reBna – Leave the eye as the opBc nerve ...
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... – Site where the opBc nerve leaves the eye – Lacks photoreceptors Amacrine cell Horizontal cell Pathway of signal output Pigmented layer of retina Pathway of light (b) Cells of the neural layer of the retina Figure 15.6b ...
... – Site where the opBc nerve leaves the eye – Lacks photoreceptors Amacrine cell Horizontal cell Pathway of signal output Pigmented layer of retina Pathway of light (b) Cells of the neural layer of the retina Figure 15.6b ...
DRI OCT-1 Abstracts DRI OCT-1
... PURPOSE: To examine the incidence and characteristics of pit-like structures around the optic disc and myopic conus in eyes with high myopia. DESIGN: Prospective, observational case series. PARTICIPANTS: We evaluated 198 eyes of 119 patients with pathologic myopia (spherical equivalent >-8 diopters ...
... PURPOSE: To examine the incidence and characteristics of pit-like structures around the optic disc and myopic conus in eyes with high myopia. DESIGN: Prospective, observational case series. PARTICIPANTS: We evaluated 198 eyes of 119 patients with pathologic myopia (spherical equivalent >-8 diopters ...
Herpes Zoster Ophthalmicus and the Superior Orbital Fissure
... extraction and intraocular lens implantation was performed on the patient for his dense right cataract. At the one month post-operative follow-up visit, the patient had a best corrected visual acuity of 6/7.5 in both eyes. His left ptosis had resolved completely and, except for minimal limitation in ...
... extraction and intraocular lens implantation was performed on the patient for his dense right cataract. At the one month post-operative follow-up visit, the patient had a best corrected visual acuity of 6/7.5 in both eyes. His left ptosis had resolved completely and, except for minimal limitation in ...
Imaging of Orbital Trauma1
... 1993, the sensitivity of CT for detecting openglobe injuries was found to be approximately 75% (8). In a subsequent study covering patients imaged between 1998 and 2003, the sensitivity was similar, at approximately 71% (9). Unfortunately, the sensitivity of CT for detecting clinically occult open-g ...
... 1993, the sensitivity of CT for detecting openglobe injuries was found to be approximately 75% (8). In a subsequent study covering patients imaged between 1998 and 2003, the sensitivity was similar, at approximately 71% (9). Unfortunately, the sensitivity of CT for detecting clinically occult open-g ...
GP Powerpoint No 2
... early to modest cataract (and refractive errors) • Vision can be restored by surgery at any stage in the development of cataract from a clear lens to one that has been dense for years. ...
... early to modest cataract (and refractive errors) • Vision can be restored by surgery at any stage in the development of cataract from a clear lens to one that has been dense for years. ...
Ophthalmic Terminology 101 Lynn E. Konkel, MS, CPOT Heart of
... r. Dominant eye – eye that is used for sighting, aligning things. s. Epiphora – tears falling over eyelids. t. Fixation – moving eyes to align the object on the fovea. u. Fusion – the brain’s blending of two similar objects into one. 1. Three degrees v. Glaucoma - A group of disorders leading to pro ...
... r. Dominant eye – eye that is used for sighting, aligning things. s. Epiphora – tears falling over eyelids. t. Fixation – moving eyes to align the object on the fovea. u. Fusion – the brain’s blending of two similar objects into one. 1. Three degrees v. Glaucoma - A group of disorders leading to pro ...
management of diplopia by ayurveda a-case report
... A 23 old male patient came to the Shalakya OPD, JSS Ayurveda Hospital, Mysore, Karnataka, India, with a complaint of diplopia in left eye since 3 months. He gave a history of left ear infection 5 months back for which he took treatment, while in the course of treatment he developed diplopia and the ...
... A 23 old male patient came to the Shalakya OPD, JSS Ayurveda Hospital, Mysore, Karnataka, India, with a complaint of diplopia in left eye since 3 months. He gave a history of left ear infection 5 months back for which he took treatment, while in the course of treatment he developed diplopia and the ...
Afferent and efferent pathways in the visual system of the freshwater
... corneus were labelled using retrograde transport of neurobiotin through the optic nerve. Axons of at least some photoreceptor cells become direct contributors to the optic nerve as no synaptic junctions could be detected. The processes enter the cerebral ganglion and form a dense bundle of thin affe ...
... corneus were labelled using retrograde transport of neurobiotin through the optic nerve. Axons of at least some photoreceptor cells become direct contributors to the optic nerve as no synaptic junctions could be detected. The processes enter the cerebral ganglion and form a dense bundle of thin affe ...
Headache and the eye
... autonomic features [1,14]. TACs include cluster headache, paroxysmal hemicrania, and short-lasting unilateral neuralgiform headache with conjunctival injection and tearing (SUNCT). TACs subtypes differ in duration, frequency, and rhythmicity of the attacks and in the response to treatment (Table 2 ...
... autonomic features [1,14]. TACs include cluster headache, paroxysmal hemicrania, and short-lasting unilateral neuralgiform headache with conjunctival injection and tearing (SUNCT). TACs subtypes differ in duration, frequency, and rhythmicity of the attacks and in the response to treatment (Table 2 ...
Normal Fundus and Variations in the
... Starting at the far left and working to the right, each successive drawing is to represent the summation of each additional layer as it is “laid down” and the resulting appearance of the fundus due to “masking” of the layer just below depending if the layer above is transparent or not. An atapetal f ...
... Starting at the far left and working to the right, each successive drawing is to represent the summation of each additional layer as it is “laid down” and the resulting appearance of the fundus due to “masking” of the layer just below depending if the layer above is transparent or not. An atapetal f ...
Central Retinal Arterial Occlusion (CRAO) after Phacoemulsification
... patient being reported on did not complain of postoperative pain which normally would accompany an acute rise in the IOP. Similar cases of retinal infarction with macular cherry red spot have been reported following intraocular injection of gentamycin and other amino glycosides aimed at preventing p ...
... patient being reported on did not complain of postoperative pain which normally would accompany an acute rise in the IOP. Similar cases of retinal infarction with macular cherry red spot have been reported following intraocular injection of gentamycin and other amino glycosides aimed at preventing p ...
Wei II-Marchesani syndrome in three generations
... In conclusion, we present a family with 6 affected individuals in three generations, showing an autosomal dominant pattern. Vitreous liquefaction was present in all cases. Weill-Marchesani syndrome was full-blown in cases III-3 and III-6. In both Cases the patients presented first with unilateral to ...
... In conclusion, we present a family with 6 affected individuals in three generations, showing an autosomal dominant pattern. Vitreous liquefaction was present in all cases. Weill-Marchesani syndrome was full-blown in cases III-3 and III-6. In both Cases the patients presented first with unilateral to ...
Epiretinal Membranes (ERMs), also commonly
... of floaters and flashes. If there is no specific cause apart from the PVD, the ERM is called idiopathic (of unknown origin). ERMs can be associated with a number of ocular conditions such as prior retinal tears or detachment, retinal vascular diseases such as diabetic retinopathy or venous occlusi ...
... of floaters and flashes. If there is no specific cause apart from the PVD, the ERM is called idiopathic (of unknown origin). ERMs can be associated with a number of ocular conditions such as prior retinal tears or detachment, retinal vascular diseases such as diabetic retinopathy or venous occlusi ...
Chapter 1 Anatomy - Blackwell Publishing
... It is 98% water. The remainder is gel-forming hyaluronic acid traversed by a fine collagen network. There are few cells. l It is firmly attached anteriorly to the peripheral retina, pars plana and around the optic disc, and less firmly to the macula and retinal vessels. l It has a nutritive and supp ...
... It is 98% water. The remainder is gel-forming hyaluronic acid traversed by a fine collagen network. There are few cells. l It is firmly attached anteriorly to the peripheral retina, pars plana and around the optic disc, and less firmly to the macula and retinal vessels. l It has a nutritive and supp ...
Epiretinal Membranes (ERMs), also commonly
... of floaters and flashes. If there is no specific cause apart from the PVD, the ERM is called idiopathic (of unknown origin). ERMs can be associated with a number of ocular conditions such as prior retinal tears or detachment, retinal vascular diseases such as diabetic retinopathy or venous occlusi ...
... of floaters and flashes. If there is no specific cause apart from the PVD, the ERM is called idiopathic (of unknown origin). ERMs can be associated with a number of ocular conditions such as prior retinal tears or detachment, retinal vascular diseases such as diabetic retinopathy or venous occlusi ...
Research into Progressive Retinal Atrophy in Papillons
... breeders to continue to use carriers that have some other features that are worth preserving within the breed. This also means that the available gene pool is not restricted. This is important as in the desire to very rapidly get rid of an undesirable feature (e.g. PRA) limiting the dogs used for br ...
... breeders to continue to use carriers that have some other features that are worth preserving within the breed. This also means that the available gene pool is not restricted. This is important as in the desire to very rapidly get rid of an undesirable feature (e.g. PRA) limiting the dogs used for br ...
Relationship between age and peripapillary
... ratio (STR) and the inferior/temporal ratio (ITR), of a range of age-groups. We found that pRNFLT respectively. These two values are readily available decreased significantly with advancing age (P<0.0001). on OCT reports if needed, and provide alternatives In the monitoring of glaucoma patients, thi ...
... ratio (STR) and the inferior/temporal ratio (ITR), of a range of age-groups. We found that pRNFLT respectively. These two values are readily available decreased significantly with advancing age (P<0.0001). on OCT reports if needed, and provide alternatives In the monitoring of glaucoma patients, thi ...
Our Eyes are Different
... may also result in a quick involuntary eye movement known as nystagmus, which may also further impair vision if it is severe. Double vision is due to a condition known as strabismus, or an eye turn. Strabismus, if left untreated, can lead to amblyopia (better known as a lazy eye), as the brain will ...
... may also result in a quick involuntary eye movement known as nystagmus, which may also further impair vision if it is severe. Double vision is due to a condition known as strabismus, or an eye turn. Strabismus, if left untreated, can lead to amblyopia (better known as a lazy eye), as the brain will ...
Glaucoma - New Zealand Association of Optometrists
... increases with age and 10% of people over the age 70 will have glaucoma. If you have a family history of glaucoma then you’re ten times more likely to get the disease. Understanding Glaucoma Light enters the eye through the pupil and casts an image on the retina at the back of the eye. This image is ...
... increases with age and 10% of people over the age 70 will have glaucoma. If you have a family history of glaucoma then you’re ten times more likely to get the disease. Understanding Glaucoma Light enters the eye through the pupil and casts an image on the retina at the back of the eye. This image is ...
Who`s Who – From Optometrist to Ophthalmologist
... • Usually based in eye departments – they undertake specific investigations including testing of peripheral vision (visual field testing). http://www.goodhope.org.uk/departments/eyede pt/goldmanfield.htm • They may take pictures of the eye using various techniques, such as digital fundus imaging, ul ...
... • Usually based in eye departments – they undertake specific investigations including testing of peripheral vision (visual field testing). http://www.goodhope.org.uk/departments/eyede pt/goldmanfield.htm • They may take pictures of the eye using various techniques, such as digital fundus imaging, ul ...
Conventional Perimetry - Imaging and Perimetry Society
... best suited to examination of the central visual field, up to approximately 20 degrees of eccentricity, but is less useful in more peripheral locations due to geometric distortions. Perimetry, however, is performed with a hemispherical surface onto which the visual field is projected. The eye to be ...
... best suited to examination of the central visual field, up to approximately 20 degrees of eccentricity, but is less useful in more peripheral locations due to geometric distortions. Perimetry, however, is performed with a hemispherical surface onto which the visual field is projected. The eye to be ...
Orbital Oculomotor Nerve Schwannoma Extending to the Cavernous
... origin, location, and extent of the tumor. [9] They may present as painless progressive proptosis on enlargement or may compress the optic nerve along with papilledema or optic atrophy. Patients may present with sudden or gradual visual loss and ocular motility dysfunction, but such symptoms are not ...
... origin, location, and extent of the tumor. [9] They may present as painless progressive proptosis on enlargement or may compress the optic nerve along with papilledema or optic atrophy. Patients may present with sudden or gradual visual loss and ocular motility dysfunction, but such symptoms are not ...