months
... Mean visual acuity in the hydrogel group was worse than that in the acrylic group; this difference was significant at 18 and 24 months after surgery. ...
... Mean visual acuity in the hydrogel group was worse than that in the acrylic group; this difference was significant at 18 and 24 months after surgery. ...
ocular disease - Review of Optometry
... He was a living legend to us—an optometrist who went back to medical school to become an ophthalmologist. As students, we remember his voice and manner always being to the point. As residents, we remember that he gave us enough independence to learn on our own while standing close enough to offer hi ...
... He was a living legend to us—an optometrist who went back to medical school to become an ophthalmologist. As students, we remember his voice and manner always being to the point. As residents, we remember that he gave us enough independence to learn on our own while standing close enough to offer hi ...
The optic disc in glaucoma, III: diffuse optic disc pallor with raised
... A close relationship between the appearance of the optic disc in glaucomatous eyes and the presence or absence of visual field loss has been emphasised in recent years (Armaly, 1969; Douglas et al., 1974; Hoskins and Gelber, 1975; Hitchings and Spaeth, 1977). Visual field defects of a nerve fibre bu ...
... A close relationship between the appearance of the optic disc in glaucomatous eyes and the presence or absence of visual field loss has been emphasised in recent years (Armaly, 1969; Douglas et al., 1974; Hoskins and Gelber, 1975; Hitchings and Spaeth, 1977). Visual field defects of a nerve fibre bu ...
Download the Spring 2012 Sightline
... Germany. The groundbreaking results of the study were published in the international weekly science journal Nature. The team already knew that regulatory proteins, like CFH, play a vital role in the immune system by working to protect the body from infection and other “foreign invaders.” ...
... Germany. The groundbreaking results of the study were published in the international weekly science journal Nature. The team already knew that regulatory proteins, like CFH, play a vital role in the immune system by working to protect the body from infection and other “foreign invaders.” ...
optometry optometry - California Optometric Association
... longer than thought in contact lens solution A recent study reveals that certain strains of keratitis-causing bacteria can survive longer in contact lens solution than previously thought, according to a HealthDay. The study, presented at a meeting of the Society of General Microbiology, found that w ...
... longer than thought in contact lens solution A recent study reveals that certain strains of keratitis-causing bacteria can survive longer in contact lens solution than previously thought, according to a HealthDay. The study, presented at a meeting of the Society of General Microbiology, found that w ...
university of latvia
... In most courses where this does not take place, regular control has to be established and the weight of seminars has to be increased. ...
... In most courses where this does not take place, regular control has to be established and the weight of seminars has to be increased. ...
Optical coherence tomography imaging of ocular and periocular
... Adequately assessing the extent of the tumour is essential in achieving complete surgical excision without risking the integrity of the eye or cosmetic result. This is particularly true in the periocular skin where redundant skin is scarce. Although diagnostic biopsy represents the gold standard for ...
... Adequately assessing the extent of the tumour is essential in achieving complete surgical excision without risking the integrity of the eye or cosmetic result. This is particularly true in the periocular skin where redundant skin is scarce. Although diagnostic biopsy represents the gold standard for ...
Autonomic asymmetry in migraine: augmented
... Overall response differences between left- and right-side migraineurs Preliminary analyses did not indicate significant differences between the first and second stimuli to right and left eyes, or between eyes. Therefore, these four readings were combined in the analyses. Left-side migraineurs had si ...
... Overall response differences between left- and right-side migraineurs Preliminary analyses did not indicate significant differences between the first and second stimuli to right and left eyes, or between eyes. Therefore, these four readings were combined in the analyses. Left-side migraineurs had si ...
Effects of Verbal and Spatial-Imagery Tasks on Eye Fixations While
... consequently, would help interpret the remaining results. The fixation duration, or its approximate inverse, the fixation rate, is without douht the most extensively used parameter in various studies, although its meaning is far from clear. In the above-mentioned research, a decrease in fixation dur ...
... consequently, would help interpret the remaining results. The fixation duration, or its approximate inverse, the fixation rate, is without douht the most extensively used parameter in various studies, although its meaning is far from clear. In the above-mentioned research, a decrease in fixation dur ...
Regression of Some High-risk Features of Age
... and both AMD and atherosclerotic coronary artery disease involve lipoprotein retention. In AMD, an inflammatory response to the accumulated material may ensue with activation of complement and other components of the immune system, which can lead to atrophy of RPE cells and/or induction of a pro-angi ...
... and both AMD and atherosclerotic coronary artery disease involve lipoprotein retention. In AMD, an inflammatory response to the accumulated material may ensue with activation of complement and other components of the immune system, which can lead to atrophy of RPE cells and/or induction of a pro-angi ...
Case of Sympathetic Ophthalamia
... Pathology, 7 were found to have malignant melanoma (9). In addition, sympathetic ophthalmia was reported to occur a cyclocryotherapy (11) and Nd:Yag cyclotherapy. Nd:YAG cyclotherapy in particular, is associated with a much higher in compared with other ocular procedures. A study from University of ...
... Pathology, 7 were found to have malignant melanoma (9). In addition, sympathetic ophthalmia was reported to occur a cyclocryotherapy (11) and Nd:Yag cyclotherapy. Nd:YAG cyclotherapy in particular, is associated with a much higher in compared with other ocular procedures. A study from University of ...
Measuring intraocular pressure
... At the time of focusing, if you see the word-’Too close’ ,you should adjust the joystick in back side. Automatically the reading will be shown in the screen itself This will be useful for injury and redness and post operative patients No need to use local drops. ...
... At the time of focusing, if you see the word-’Too close’ ,you should adjust the joystick in back side. Automatically the reading will be shown in the screen itself This will be useful for injury and redness and post operative patients No need to use local drops. ...
complete instruction manual
... and the exposure time. If the value of radiance were reduced in half, twice the time would be needed to reach the maximum exposure limit. ...
... and the exposure time. If the value of radiance were reduced in half, twice the time would be needed to reach the maximum exposure limit. ...
Full Text of
... Wang and Hilton2 reviewed the literature and concluded that the method of choice was vitreous surgery with long-acting gas tamponade in conjunction with chorioretinal adhesion around the coloboma. This is logical because vitrectomy allows removal of vitreous traction, identification of any break wit ...
... Wang and Hilton2 reviewed the literature and concluded that the method of choice was vitreous surgery with long-acting gas tamponade in conjunction with chorioretinal adhesion around the coloboma. This is logical because vitrectomy allows removal of vitreous traction, identification of any break wit ...
Evaluating Biomechanic Properties of the Cornea
... Corneal hysteresis (CH). This parameter is equal to the difference between P1 and P2 (P1-P2). This difference in the measured applanation pressures is a result of viscous damping in the corneal tissue. Corneal resistance factor (CRF). This formula (P1-K X P2, where K=0.7) gives more weight to P1 com ...
... Corneal hysteresis (CH). This parameter is equal to the difference between P1 and P2 (P1-P2). This difference in the measured applanation pressures is a result of viscous damping in the corneal tissue. Corneal resistance factor (CRF). This formula (P1-K X P2, where K=0.7) gives more weight to P1 com ...
A Comprehensive Review on the Management of III Nerve Palsy
... An alert patient may notice anisocoria and increased light sensitivity resulting due to pupil involvement. Pilocarpine can be used if there are no other contraindications. Diminished accommodation, can also occur in pupil involving oculomotor palsy, and the clinician should consider near vision addi ...
... An alert patient may notice anisocoria and increased light sensitivity resulting due to pupil involvement. Pilocarpine can be used if there are no other contraindications. Diminished accommodation, can also occur in pupil involving oculomotor palsy, and the clinician should consider near vision addi ...
Ultrasound Biomicroscopy Dark Room Provocative Testing: A
... angles would be an overapplication of the procedure. In a survey of 947 eyes of patients of all ages, Spaeth34 judged as many as 6% of angles to be capable of occlusion, but that only 5%–10% of these would develop angle-closure glaucoma. In an era of cost management, the development of reliable pred ...
... angles would be an overapplication of the procedure. In a survey of 947 eyes of patients of all ages, Spaeth34 judged as many as 6% of angles to be capable of occlusion, but that only 5%–10% of these would develop angle-closure glaucoma. In an era of cost management, the development of reliable pred ...
Review of photokeratitis: Corneal response to ultraviolet radiation
... sloughing of corneal epithelial cells and an associated increase in the UVR-absorption by corneal tissue8, 9, 13, 55. If such damage remains isolated to the epithelial layer, then the damage is considered reversible, as epithelial cells have the ability to repair the damage to restore the original f ...
... sloughing of corneal epithelial cells and an associated increase in the UVR-absorption by corneal tissue8, 9, 13, 55. If such damage remains isolated to the epithelial layer, then the damage is considered reversible, as epithelial cells have the ability to repair the damage to restore the original f ...
Doppler ultrasonography of the pectinis oculi artery in harpy eagles
... The RI and PI values of the pectinis oculi artery in harpy eagles found in the present study were also similar. Considering these findings, perhaps there are similarities between the function of the pecten oculi and ciliary body, as suggested by the previous theory that the pecten oculi could be use ...
... The RI and PI values of the pectinis oculi artery in harpy eagles found in the present study were also similar. Considering these findings, perhaps there are similarities between the function of the pecten oculi and ciliary body, as suggested by the previous theory that the pecten oculi could be use ...
IOSR Journal of Dental and Medical Sciences (IOSR-JDMS)
... Presence of sex steroid hormone receptors has been identified recently in lens, retina, choroid, cornea and ciliary body [13]. Sex and age related differences in oestrogen receptor expression were also detected in young female eyes but not in males and post-menopausal women (44). But some of the stu ...
... Presence of sex steroid hormone receptors has been identified recently in lens, retina, choroid, cornea and ciliary body [13]. Sex and age related differences in oestrogen receptor expression were also detected in young female eyes but not in males and post-menopausal women (44). But some of the stu ...
Management of Nystagmus – the
... Patient with right horizontal gaze palsy and head turn of approximately 20° to the right (a); the same patient 1 year after recession of right medial rectus and left lateral rectus muscles (b). Note: the patient can use his glasses more effectively. Patient with acquired nystagmus equilibrium in up ...
... Patient with right horizontal gaze palsy and head turn of approximately 20° to the right (a); the same patient 1 year after recession of right medial rectus and left lateral rectus muscles (b). Note: the patient can use his glasses more effectively. Patient with acquired nystagmus equilibrium in up ...
LASIK for Hyperopia Using an Aberration
... of asymmetric aberrations (coma and trefoil) and a twofold reduction in the amount of corneal tissue removed compared to the oversized symmetric offset ablations, further avoiding undercorrections and nomogram adjustments due to the placement of the peak of the ablation profile at a location other t ...
... of asymmetric aberrations (coma and trefoil) and a twofold reduction in the amount of corneal tissue removed compared to the oversized symmetric offset ablations, further avoiding undercorrections and nomogram adjustments due to the placement of the peak of the ablation profile at a location other t ...
in Cataract, Refractive, and Vitreoretinal Surgery
... are faster than ever, typically scheduling 35 eyes each day, with one crazy record: One surgeon performing 92 cases in 1 day. In a high-volume clinic like ours, the Victus femtosecond laser is an essential piece of equipment. In addition to its cataract surgery functions, which are described above, ...
... are faster than ever, typically scheduling 35 eyes each day, with one crazy record: One surgeon performing 92 cases in 1 day. In a high-volume clinic like ours, the Victus femtosecond laser is an essential piece of equipment. In addition to its cataract surgery functions, which are described above, ...
Human eye
The human eye is an organ that reacts to light and has several purposes. As a sense organ, the mammalian eye allows vision. Rod and cone cells in the retina allow conscious light perception and vision including color differentiation and the perception of depth. The human eye can distinguish about 10 million colors.Similar to the eyes of other mammals, the human eye's non-image-forming photosensitive ganglion cells in the retina receive light signals which affect adjustment of the size of the pupil, regulation and suppression of the hormone melatonin and entrainment of the body clock.