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Visual Perception and Visual Dysfunction in Autism Spectrum
... There is some evidence, published in the late 1980s, that individuals with ASD may have abnormal retinal function. By recording electroretinograms (ERG) which measure the amplitude of electrical activity produced by the retina following stimulation with light flashes, Ritvo et al.28 demonstrated th ...
... There is some evidence, published in the late 1980s, that individuals with ASD may have abnormal retinal function. By recording electroretinograms (ERG) which measure the amplitude of electrical activity produced by the retina following stimulation with light flashes, Ritvo et al.28 demonstrated th ...
Glaucoma and dry eye disease: the role of preservatives
... Another option is surgery. Surgery may provide a good solution since it is able to reduce or even eliminate the need of topical anti-glaucoma medication. Surgical procedures, such as laser trabeculoplasty can be used as monotherapy or as additional therapy to topical medication, especially for glauc ...
... Another option is surgery. Surgery may provide a good solution since it is able to reduce or even eliminate the need of topical anti-glaucoma medication. Surgical procedures, such as laser trabeculoplasty can be used as monotherapy or as additional therapy to topical medication, especially for glauc ...
Anatomy Physiology of the
... of the eye from germs, dust, and other dangers and is the first focusing surface that light encounters as it travels through the eye. In fact, the cornea, together with the tear film, account for about 65%–80% of the eye’s refractive (or focusing) power. The cornea has a high concentration of nerve ...
... of the eye from germs, dust, and other dangers and is the first focusing surface that light encounters as it travels through the eye. In fact, the cornea, together with the tear film, account for about 65%–80% of the eye’s refractive (or focusing) power. The cornea has a high concentration of nerve ...
A Report to the Minister of Health and Long-Term Care on
... wider screening of patients and through advances in technology. For example, outcomes for patients with conditions like glaucoma, macular degeneration or diabetic retinopathy improve with earlier detection. Eye health breakthroughs, such as treatment of wet agerelated macular degeneration with intra ...
... wider screening of patients and through advances in technology. For example, outcomes for patients with conditions like glaucoma, macular degeneration or diabetic retinopathy improve with earlier detection. Eye health breakthroughs, such as treatment of wet agerelated macular degeneration with intra ...
The Cornea And Corneal Disease
... When light strikes the cornea, it bends - or refracts - the incoming light onto the lens. The lens further refocuses that light onto the retina, a layer of light sensing cells lining the back of the eye that starts the translation of light into vision. For you to see clearly, light rays must be focu ...
... When light strikes the cornea, it bends - or refracts - the incoming light onto the lens. The lens further refocuses that light onto the retina, a layer of light sensing cells lining the back of the eye that starts the translation of light into vision. For you to see clearly, light rays must be focu ...
Modernizing cataract surgery
... mean uncorrected distance visual acuity. With the multifocal +3.25 D add IOL in particular, at least 96% reported that they were comfortable without glasses at intermediate and far distances. Furthermore, 94% said they would choose the same technology again, despite the fact that astigmatism was not ...
... mean uncorrected distance visual acuity. With the multifocal +3.25 D add IOL in particular, at least 96% reported that they were comfortable without glasses at intermediate and far distances. Furthermore, 94% said they would choose the same technology again, despite the fact that astigmatism was not ...
Blepharoplasty with or without Levator Muscle Advancement
... eyelid (dermatochalasis). During this procedure, various amounts of excess skin and sometimes fat are removed from the upper eyelid, thus increasing vision range. A blepharoplasty may be performed alone or in conjunction with other facial surgery procedures such as, a face lift or browlift, or to ad ...
... eyelid (dermatochalasis). During this procedure, various amounts of excess skin and sometimes fat are removed from the upper eyelid, thus increasing vision range. A blepharoplasty may be performed alone or in conjunction with other facial surgery procedures such as, a face lift or browlift, or to ad ...
The Differential Diagnosis of The Red Eye
... Bleeding of the conjunctival or episcleral blood vessels into the subconjunctival space. Risk factors include blunt trauma, rubbing eyes, vigorous coughing, bleeding disorder ...
... Bleeding of the conjunctival or episcleral blood vessels into the subconjunctival space. Risk factors include blunt trauma, rubbing eyes, vigorous coughing, bleeding disorder ...
... object of regard spends little time in the foveal area, and the blur caused by the image movement, often in excess of 50°/s, is considerable (Abadi and Sandikcioglu, 1974; Dell'Osso and Daroff, 1975). In congenital nystagmus no oscillopsia (apparent movement of the environment) is noticed. Accepting ...
corneal transplantation
... Corneal transplantation or corneal grafting or keratoplasty involves removal of diseased or damaged cornea and its replacement by donated corneal tissue. Deceased individuals with no known corneal diseases can donate their corneas within 6-8 hours of their demise. ...
... Corneal transplantation or corneal grafting or keratoplasty involves removal of diseased or damaged cornea and its replacement by donated corneal tissue. Deceased individuals with no known corneal diseases can donate their corneas within 6-8 hours of their demise. ...
US Preventive Services Task Force Recommendation Statement
... The USPSTF considered evidence on the accuracy of direct and indirect ophthalmoscopy, photography and computerized imaging of the fundus, measurement of corneal thickness combined with another test for glaucoma, perimetry, and tonometry. The USPSTF did not consider evidence on tests that are experim ...
... The USPSTF considered evidence on the accuracy of direct and indirect ophthalmoscopy, photography and computerized imaging of the fundus, measurement of corneal thickness combined with another test for glaucoma, perimetry, and tonometry. The USPSTF did not consider evidence on tests that are experim ...
Find out more about laser refractive surgery.
... of distance vision and temporarily reduces the ability to focus on nearby objects. The dilation effect generally lasts 4 to 6 hours. It varies from person to person and according to iris pigment. It is not recommended to drive once your pupils have been dilated. Ideally, you should wear sunglasses a ...
... of distance vision and temporarily reduces the ability to focus on nearby objects. The dilation effect generally lasts 4 to 6 hours. It varies from person to person and according to iris pigment. It is not recommended to drive once your pupils have been dilated. Ideally, you should wear sunglasses a ...
LASER REFRACTIVE SURGERY
... of distance vision and temporarily reduces the ability to focus on nearby objects. The dilation effect generally lasts 4 to 6 hours. It varies from person to person and according to iris pigment. It is not recommended to drive once your pupils have been dilated. Ideally, you should wear sunglasses a ...
... of distance vision and temporarily reduces the ability to focus on nearby objects. The dilation effect generally lasts 4 to 6 hours. It varies from person to person and according to iris pigment. It is not recommended to drive once your pupils have been dilated. Ideally, you should wear sunglasses a ...
WHICH RESEARCH PROJECTS STAND AT
... at the Emory Eye Center. We call it the Research Matrix: it’s a focused, transparent, open, and ever-changing concept that is able to flex and mold to ever-changing knowledge and priorities. The engine of research is the funding that supports our program and its infrastructure. Our greatest resource ...
... at the Emory Eye Center. We call it the Research Matrix: it’s a focused, transparent, open, and ever-changing concept that is able to flex and mold to ever-changing knowledge and priorities. The engine of research is the funding that supports our program and its infrastructure. Our greatest resource ...
BOLD fMRI Response of Early Visual Areas to Perceived Contrast in
... that for the normal eye (Bradley and Freeman 1981; Hess and Pointer 1985; Hess et al. 1978). Contrast detection thresholds are dependent on the “noise” present in the visual system (e.g., Graham 1989). That is, neural firing rates (integrated over some region) must exceed some signal-to-noise ratio ...
... that for the normal eye (Bradley and Freeman 1981; Hess and Pointer 1985; Hess et al. 1978). Contrast detection thresholds are dependent on the “noise” present in the visual system (e.g., Graham 1989). That is, neural firing rates (integrated over some region) must exceed some signal-to-noise ratio ...
Refractive error in school children in Agona Swedru, Ghana
... The prevalence of refractive error in this study was 13.3%. This is higher compared to figures reported from other parts of Ghana - 5.4% in the Ashanti, Eastern, Volta and Greater Accra Regions20, 3.1% in four districts in Ghana21 and 6.2% throughout the country22. This data are for the general popu ...
... The prevalence of refractive error in this study was 13.3%. This is higher compared to figures reported from other parts of Ghana - 5.4% in the Ashanti, Eastern, Volta and Greater Accra Regions20, 3.1% in four districts in Ghana21 and 6.2% throughout the country22. This data are for the general popu ...
Clinically Significant Macular Edema (CSME)
... Intravitreal injections such as: Avastin (bevacizumab), Lucentis (ranibizumab), and Eylea (aflibercept), are used to reduce swelling of the macula. In addition, Triescence (triamcinolone) is a steroid injection used to reduce inflammation in the eye. It is often used after steroid drops are no longe ...
... Intravitreal injections such as: Avastin (bevacizumab), Lucentis (ranibizumab), and Eylea (aflibercept), are used to reduce swelling of the macula. In addition, Triescence (triamcinolone) is a steroid injection used to reduce inflammation in the eye. It is often used after steroid drops are no longe ...
Delhi Journal of Ophthalmology
... task of getting the journal indexed in other sites as well as improving the quality of articles and their presentation. This is only possible with the support of each and every DOS member. In addition to the present heads, the DJO also publishes original research including thesis work of residents. ...
... task of getting the journal indexed in other sites as well as improving the quality of articles and their presentation. This is only possible with the support of each and every DOS member. In addition to the present heads, the DJO also publishes original research including thesis work of residents. ...
Understanding eye medications
... many other possible causes. By dilating the pupil, several potentially harmful events are avoided. It stops the edge of the pupil sticking to the lens (called a posterior synechia). If that happens, there might be permanent opacity of the lens capsule as pigment is left behind. The peripheral edge o ...
... many other possible causes. By dilating the pupil, several potentially harmful events are avoided. It stops the edge of the pupil sticking to the lens (called a posterior synechia). If that happens, there might be permanent opacity of the lens capsule as pigment is left behind. The peripheral edge o ...
Visual Skills of the Female Athletes in Team and Individual Sports
... to the eyes. These skills include: Eye-hand coordination, Tracking, Accommodation (focusing) and vergence. Another aspect of the visual system is "the process of visual perception". Visual-perceptual skills include visual memory, visualization, and figure-ground Perception (8). Another important asp ...
... to the eyes. These skills include: Eye-hand coordination, Tracking, Accommodation (focusing) and vergence. Another aspect of the visual system is "the process of visual perception". Visual-perceptual skills include visual memory, visualization, and figure-ground Perception (8). Another important asp ...
Understanding Stargardt Disease - University of Michigan Kellogg
... the rods and cones. These abnormal proteins are lightsensitive. It is likely that these proteins become more toxic when the patient is exposed to extreme sunlight. This suggests that sunlight and high energy light can worsen the disease. Patients with Stargardt disease should use UV-screening sungla ...
... the rods and cones. These abnormal proteins are lightsensitive. It is likely that these proteins become more toxic when the patient is exposed to extreme sunlight. This suggests that sunlight and high energy light can worsen the disease. Patients with Stargardt disease should use UV-screening sungla ...
How to Diagnose the Cloudy Eye
... trepidation in the field setting because of the variety of differentials for this condition, many of which are clinically difficult to distinguish. Most equine veterinarians feel comfortable with diagnosis and treatment of uncomplicated corneal ulceration because of its high prevalence in equine pra ...
... trepidation in the field setting because of the variety of differentials for this condition, many of which are clinically difficult to distinguish. Most equine veterinarians feel comfortable with diagnosis and treatment of uncomplicated corneal ulceration because of its high prevalence in equine pra ...
Guidelines for use of scheduled medicines
... the frequency of review appointments. The patient’s risk factors for progression, their disease state and capacity to self-manage will dictate the frequency of review10. Referral for ophthalmological assessment and advice must be considered if the anti-glaucoma treatment does not stabilise the patie ...
... the frequency of review appointments. The patient’s risk factors for progression, their disease state and capacity to self-manage will dictate the frequency of review10. Referral for ophthalmological assessment and advice must be considered if the anti-glaucoma treatment does not stabilise the patie ...
CTR does not prevent IOL dislocation
... one’s ego what Tom Brady’s locker room assistant does for his footballs. If people are going to suspect me of being motivated by greed, shouldn’t I at least be obscenely wealthy and spending my free time clubbing with other über-rich people like Jay-Z and Bill Gates? But perhaps being a failure—stuc ...
... one’s ego what Tom Brady’s locker room assistant does for his footballs. If people are going to suspect me of being motivated by greed, shouldn’t I at least be obscenely wealthy and spending my free time clubbing with other über-rich people like Jay-Z and Bill Gates? But perhaps being a failure—stuc ...
Vision Correction Surgeries: Past Techniques, Present Trends and
... non-thermal corneal reshaping.8 This laser works on the principle of Photo-Ablation wherein inter-molecular bonds are broken and the molecules ejected while the cornea is sculpted to the desired shape. This surgery was introduced as Photo Refractive Keratectomy (PRK). It was only a matter of time wh ...
... non-thermal corneal reshaping.8 This laser works on the principle of Photo-Ablation wherein inter-molecular bonds are broken and the molecules ejected while the cornea is sculpted to the desired shape. This surgery was introduced as Photo Refractive Keratectomy (PRK). It was only a matter of time wh ...