Ophthalmology for Primary Physicians
... and a 46% increase in prevalence among those under age 35 years between 1990 and 1998 An increase in the frequency of type 2 diabetes in the pediatric age group has been noted in several countries and has been associated with the increased frequency of childhood obesity. ...
... and a 46% increase in prevalence among those under age 35 years between 1990 and 1998 An increase in the frequency of type 2 diabetes in the pediatric age group has been noted in several countries and has been associated with the increased frequency of childhood obesity. ...
Noninvasive Visualization and Analysis of Parafoveal Capillaries in
... variation.2 The FAZ has been well characterized and is of important clinical significance in a number of different diseases, including diabetes.3 There are two key challenges that must be addressed when performing optical imaging of the retinal microcirculation: low capillary contrast and aberration ...
... variation.2 The FAZ has been well characterized and is of important clinical significance in a number of different diseases, including diabetes.3 There are two key challenges that must be addressed when performing optical imaging of the retinal microcirculation: low capillary contrast and aberration ...
Another amazing Congress - the Royal College of Ophthalmologists
... Autofluorescence is the natural ability of a biological structure to emit light of a longer, less energetic wavelength after absorbing light of a shorter and higher energy wavelength. The human retina has autofluorescent properties owing to the presence of molecules, which contain parts called fluor ...
... Autofluorescence is the natural ability of a biological structure to emit light of a longer, less energetic wavelength after absorbing light of a shorter and higher energy wavelength. The human retina has autofluorescent properties owing to the presence of molecules, which contain parts called fluor ...
Hereditary eye disease in dogs - British Veterinary Association
... may actually be neonatal rather than congenital. In addition, because the eye is immature at birth, it is possible that some developmental conditions may not be apparent at litter screening (puppies of up to 12 weeks of age) and others may become less obvious (for example, Collie eye anomaly) becaus ...
... may actually be neonatal rather than congenital. In addition, because the eye is immature at birth, it is possible that some developmental conditions may not be apparent at litter screening (puppies of up to 12 weeks of age) and others may become less obvious (for example, Collie eye anomaly) becaus ...
Scanning Computerized Ophthalmic Diagnostic Imaging
... and/or visual fields. One or two tests of either per year may be appropriate. If both scanning computerized ophthalmic diagnostic imaging and visual field tests are used, only one of each test would be considered medically necessary, as these tests provide duplicative information. Scanning computeri ...
... and/or visual fields. One or two tests of either per year may be appropriate. If both scanning computerized ophthalmic diagnostic imaging and visual field tests are used, only one of each test would be considered medically necessary, as these tests provide duplicative information. Scanning computeri ...
Lysosomes and melanin granules of the retinal pigment
... pause for 50 ms., then jump another three degrees right. Other experimenters recorded more natural saccades during reading,9 fixation,* or in response to a step change in target position.•'<• 10 A variety of other effects can evoke closely spaced saccades: for instance, fatigue/' flickering illumina ...
... pause for 50 ms., then jump another three degrees right. Other experimenters recorded more natural saccades during reading,9 fixation,* or in response to a step change in target position.•'<• 10 A variety of other effects can evoke closely spaced saccades: for instance, fatigue/' flickering illumina ...
Fercho-EM-Fatigue
... Actigraph recordings indicated that all subjects had slept the night prior to the study. Pupil size was relatively stable during alertness After the night of sleep deprivation, pupil size was found to vary with a tendency to decrease Median value for alertness using the SSS was 2 before sleep depriv ...
... Actigraph recordings indicated that all subjects had slept the night prior to the study. Pupil size was relatively stable during alertness After the night of sleep deprivation, pupil size was found to vary with a tendency to decrease Median value for alertness using the SSS was 2 before sleep depriv ...
Lysosomes and melanin granules of the retinal pigment
... characteristically exhibited by people who are reading or looking about a scene. These saccades are usually spaced about 200 ms. apart; however, Fig. 1 shows normal saccades with smaller intersaccadic intervals. The important and consistent relationships between duration, maximum saccadic velocity, ...
... characteristically exhibited by people who are reading or looking about a scene. These saccades are usually spaced about 200 ms. apart; however, Fig. 1 shows normal saccades with smaller intersaccadic intervals. The important and consistent relationships between duration, maximum saccadic velocity, ...
Full Text of
... hemorrhage in intraocular surgery. The bleeding also did not occur in a hypotensive state, which is the prerequisite in most cases for postoperative suprachoroidal hemorrhage. It took about 2 to 4 weeks for the spontaneous bleeding to build up to a retrolenticular hematoma under normal intraocular p ...
... hemorrhage in intraocular surgery. The bleeding also did not occur in a hypotensive state, which is the prerequisite in most cases for postoperative suprachoroidal hemorrhage. It took about 2 to 4 weeks for the spontaneous bleeding to build up to a retrolenticular hematoma under normal intraocular p ...
Optometric management of posterior segment eye disease
... retinopathy. When a patient with maculopathy notices a scotoma, it is a positive phenomenon in that the patient is aware that something is blocking their vision. This contrasts with the negative scotomas produced by optic nerve lesions. Here the patient is aware of a gap in their vision. When patien ...
... retinopathy. When a patient with maculopathy notices a scotoma, it is a positive phenomenon in that the patient is aware that something is blocking their vision. This contrasts with the negative scotomas produced by optic nerve lesions. Here the patient is aware of a gap in their vision. When patien ...
Antisense-Oligonucleotides Targeting Tumor Necrosis
... development between day 14 and 21 PI. Iris infiltration and loss of iris integrity are both evident at day 1. Iris atrophy (loss of iris stroma and vessels) occurs by day 3 (Whittum et al., 1984). In contralateral eye, the inflammatory reaction involves mainly the posterior segment. The infectious p ...
... development between day 14 and 21 PI. Iris infiltration and loss of iris integrity are both evident at day 1. Iris atrophy (loss of iris stroma and vessels) occurs by day 3 (Whittum et al., 1984). In contralateral eye, the inflammatory reaction involves mainly the posterior segment. The infectious p ...
Vitreous Substitutes - Delhi Journal of Ophthalmology
... resembles the natural vitreous humor. Hydrogels are more favorable vitreous substitutes because they are clear, tend to be biocompatible and can act as a viscoelastic dampener, much like the natural vitreous. Since hydrogels enable diffusion of ions or small particles, they are also currently used a ...
... resembles the natural vitreous humor. Hydrogels are more favorable vitreous substitutes because they are clear, tend to be biocompatible and can act as a viscoelastic dampener, much like the natural vitreous. Since hydrogels enable diffusion of ions or small particles, they are also currently used a ...
Fishes with Eye Shine: Functional Morphology of Guanine Type
... Descriptive studies on tapeta in teleosts began in the middle of the 19th century (Briick, 1845; Miiller, 1856; Kiihne and Sewall, 1880). After the work of Exner and Januschke (1905), studies were chiefly focussed on guanine tapeta. In recent years, Locket (1970, 1971) reported the fine structure of ...
... Descriptive studies on tapeta in teleosts began in the middle of the 19th century (Briick, 1845; Miiller, 1856; Kiihne and Sewall, 1880). After the work of Exner and Januschke (1905), studies were chiefly focussed on guanine tapeta. In recent years, Locket (1970, 1971) reported the fine structure of ...
Article > Optometric Management of Persistent Diplopia Status Post
... At his final re-evaluation, the distance and near cover test showed orthophoria with the Fresnel prisms. Phorometric testing revealed a distance phoria of 17∆ eso and 5∆ left hypo and a near phoria of 7∆ eso and 4∆ left hypo. JG was able to fuse with a range of 9-14∆ BO and 4-6∆ BU OS. The amount of ...
... At his final re-evaluation, the distance and near cover test showed orthophoria with the Fresnel prisms. Phorometric testing revealed a distance phoria of 17∆ eso and 5∆ left hypo and a near phoria of 7∆ eso and 4∆ left hypo. JG was able to fuse with a range of 9-14∆ BO and 4-6∆ BU OS. The amount of ...
Article > Retinal Defocus and Eye Dominance Effect on Eye
... (e.g., a blurry green-red traffic light signal). Target luminance, spatial frequency content, retinal location, and contrast all have effects on the quality of the visual stimuli and have been shown to influence simple reaction time.8,9,18 Other factors may also influence it. For example, Holahan11 ...
... (e.g., a blurry green-red traffic light signal). Target luminance, spatial frequency content, retinal location, and contrast all have effects on the quality of the visual stimuli and have been shown to influence simple reaction time.8,9,18 Other factors may also influence it. For example, Holahan11 ...
Mom, There`s Something Wrong With My Eye…
... – EKC = Types 18,19, 37 – Pharyngoconjunctival Fever = Types 3 and 7 – Acute hemorrhagic = Types 11 and 21 ...
... – EKC = Types 18,19, 37 – Pharyngoconjunctival Fever = Types 3 and 7 – Acute hemorrhagic = Types 11 and 21 ...
The Uveo-Meningeal Syndromes
... and neurosyphilis requires high-dose intravenous penicillin therapy (4 million units every 4 hours) and therapy is generally longer duration than primary or secondary syphilis regimens (eg, 2 weeks). Lyme disease is a spirochetal infection that results from tick-borne transmission of Borrelia burgdo ...
... and neurosyphilis requires high-dose intravenous penicillin therapy (4 million units every 4 hours) and therapy is generally longer duration than primary or secondary syphilis regimens (eg, 2 weeks). Lyme disease is a spirochetal infection that results from tick-borne transmission of Borrelia burgdo ...
A simple method for in vivo labelling of infiltrating leukocytes in the
... The third model was the laser-induced choroidal neovascularisation (CNV) model, a widely used model to study pathological angiogenesis in the retina (22). The vascular response in this model is accompanied by an accumulation of infiltrating leukocytes in the laser lesion from the circulation and fro ...
... The third model was the laser-induced choroidal neovascularisation (CNV) model, a widely used model to study pathological angiogenesis in the retina (22). The vascular response in this model is accompanied by an accumulation of infiltrating leukocytes in the laser lesion from the circulation and fro ...
Open angle glaucoma and non- central retinal vein occlusion – the
... eyes with nCRVO without OAG had peripheral occlusions, always occurring at a location where an artery crossed a vein. This is in keeping with earlier studies (Zhao et al., 1993). Only one eye in the nCRVO-OAG group had an occluded vein distal to the optic disk and this was the only eye in the study ...
... eyes with nCRVO without OAG had peripheral occlusions, always occurring at a location where an artery crossed a vein. This is in keeping with earlier studies (Zhao et al., 1993). Only one eye in the nCRVO-OAG group had an occluded vein distal to the optic disk and this was the only eye in the study ...
Widefield Enface OCT - Haag
... vessel patterns to ensure reliable RNFL and optic disc change over time assessment. ...
... vessel patterns to ensure reliable RNFL and optic disc change over time assessment. ...
On the Parietal Sense-organs and Associated Structures in the New
... a shrivelled appearance, and closely resembling the " connective tissue" nuclei found in the interior of the optic vesicle and in the nervous layer of the retina. Histology of the retina.—The retina, as already indicated, may be divided into two perfectly distinct layers, the epithelial layer, compo ...
... a shrivelled appearance, and closely resembling the " connective tissue" nuclei found in the interior of the optic vesicle and in the nervous layer of the retina. Histology of the retina.—The retina, as already indicated, may be divided into two perfectly distinct layers, the epithelial layer, compo ...
1: practice management
... 11. A corneal dendritic figure is associated with: (p302) 5. The tumor that typically has a raised surface a. pinguecula with “pearly” edges is (p299) b. pterygium a. squamous cell carcinoma c. herpes zoster b. basal cell carcinoma d. herpes simplex c. keratocanthoma d. skin tag 13. Which condition ...
... 11. A corneal dendritic figure is associated with: (p302) 5. The tumor that typically has a raised surface a. pinguecula with “pearly” edges is (p299) b. pterygium a. squamous cell carcinoma c. herpes zoster b. basal cell carcinoma d. herpes simplex c. keratocanthoma d. skin tag 13. Which condition ...
Universitat Autònoma de Barcelona D B
... neuronal functionality in old animals. Gliosis and microgliosis were also detected in transgenic retinas at early ages. Gliosis is associated with the loss of essential neuron-supportive functions performed by Müller cells. We found that transgenic retinas showed changes in normal retinal metabolism ...
... neuronal functionality in old animals. Gliosis and microgliosis were also detected in transgenic retinas at early ages. Gliosis is associated with the loss of essential neuron-supportive functions performed by Müller cells. We found that transgenic retinas showed changes in normal retinal metabolism ...
Trajectory Interpretation by Supplementary Eye Field Neurons
... fixed 40 cm from a tangent screen in a dimly lit room. The baseball target was a 0.5° bluish-white spot of light (luminance ⫽ 2 cd/m2) projected by an oscilloscope onto the screen (luminance ⫽ 0.05 cd/m2). The fixation point was a 0.5° red spot generated by a projection LED. The strike zone was a cl ...
... fixed 40 cm from a tangent screen in a dimly lit room. The baseball target was a 0.5° bluish-white spot of light (luminance ⫽ 2 cd/m2) projected by an oscilloscope onto the screen (luminance ⫽ 0.05 cd/m2). The fixation point was a 0.5° red spot generated by a projection LED. The strike zone was a cl ...
THE DIAGNOSTIC VALUE OF BIOMICROSCOPY OF THE
... accompanied only by retinal detachment, and those showing further retinal changes (cystic oedema, cloudiness of the retina lying on the tumour, or retinal haemorrhages). (1) The diagnosis of a malignant melanoma of the choroid is easily made if a compact, opaque tumour with a smooth surface is seen ...
... accompanied only by retinal detachment, and those showing further retinal changes (cystic oedema, cloudiness of the retina lying on the tumour, or retinal haemorrhages). (1) The diagnosis of a malignant melanoma of the choroid is easily made if a compact, opaque tumour with a smooth surface is seen ...