Horizontal Gaze Palsy
... Three possibilities to account for an ipsilateral horizontal gaze palsy: may be due to unilateral lesion affecting The ipsilateral PPRF only The ipsilateral abducens nucleus alone Both the ipsilateral PPRF and abducens nucleus ...
... Three possibilities to account for an ipsilateral horizontal gaze palsy: may be due to unilateral lesion affecting The ipsilateral PPRF only The ipsilateral abducens nucleus alone Both the ipsilateral PPRF and abducens nucleus ...
Optometry`s Meeting - American Optometric Association
... resolution of the corneal folds was documented with anterior segment OCT, anterior segment photos, and corneal topography. The patient demonstrated insertion using excessive force and subsequent forceful removal with incorrect plunger placement in the center of the lens. Upon refitting the patient i ...
... resolution of the corneal folds was documented with anterior segment OCT, anterior segment photos, and corneal topography. The patient demonstrated insertion using excessive force and subsequent forceful removal with incorrect plunger placement in the center of the lens. Upon refitting the patient i ...
Practical Performance Competency Verification
... tissues and/or eyes and be recommended by the Executive Director and a physician who meets the requirement of an "Eye Bank Medical Director," as defined in C1.200 of the Medical Standards. 2. Submit a copy of a valid diploma, a completed “Practical Performance Competency Verification” form and a wri ...
... tissues and/or eyes and be recommended by the Executive Director and a physician who meets the requirement of an "Eye Bank Medical Director," as defined in C1.200 of the Medical Standards. 2. Submit a copy of a valid diploma, a completed “Practical Performance Competency Verification” form and a wri ...
Important Safety Instructions
... The Importance of Vision Screening The eyes are a person’s windows to the world. Without good vision, one can experience a sense of helplessness and may even suffer in other skills necessary for a full and functional lifestyle. Utilizing the Titmus VSeries vision screeners, you will quickly be capab ...
... The Importance of Vision Screening The eyes are a person’s windows to the world. Without good vision, one can experience a sense of helplessness and may even suffer in other skills necessary for a full and functional lifestyle. Utilizing the Titmus VSeries vision screeners, you will quickly be capab ...
PDF - World Wide Journals
... Therefore it is essential to consider statistics for the existence of undiagnosed diabetics. Early diagnosis is must as it helps to avoid complications , treatment being started at an earlier stage(14,16,17) .Diabetic eye disease is an end organ response to the effects of the condition on the human ...
... Therefore it is essential to consider statistics for the existence of undiagnosed diabetics. Early diagnosis is must as it helps to avoid complications , treatment being started at an earlier stage(14,16,17) .Diabetic eye disease is an end organ response to the effects of the condition on the human ...
Assessing Visual Quality With the Point Spread Function Using the
... Geometric optics defines the image of a point source as a point. Physical optics states that light waves from a point source can interfere. Optically, these effects determine the pattern of the PSF. The PSF for a perfect optical system is the Airy Disk that is calculated using Fraunhofer’s approxima ...
... Geometric optics defines the image of a point source as a point. Physical optics states that light waves from a point source can interfere. Optically, these effects determine the pattern of the PSF. The PSF for a perfect optical system is the Airy Disk that is calculated using Fraunhofer’s approxima ...
Eye Movement Abnormalities in Multiple Sclerosis
... saccades. In this setting, referred to as the anterior INO of Cogan, the distinction is blurred between INO and partial third nerve palsy.9 Patients with unilateral INO typically do not have significant exotropia in primary gaze, likely because of intact convergence tone. In contrast, bilateral MLF ...
... saccades. In this setting, referred to as the anterior INO of Cogan, the distinction is blurred between INO and partial third nerve palsy.9 Patients with unilateral INO typically do not have significant exotropia in primary gaze, likely because of intact convergence tone. In contrast, bilateral MLF ...
Layout 1 - UPMC.com
... present at our new Scholars in Vision science lecture series. Graduate students present material to make the guest speaker’s lecture more accessible to our clinicians. Residents present clinical background material that make the guest speaker’s lecture more accessible to our basic scientists. • Facu ...
... present at our new Scholars in Vision science lecture series. Graduate students present material to make the guest speaker’s lecture more accessible to our clinicians. Residents present clinical background material that make the guest speaker’s lecture more accessible to our basic scientists. • Facu ...
Normal Thin Cornea CCT = 493 µm
... pattern of a “lazy C” or lobster claw shape and an area of central corneal flattening. Age presentation and localized inferior thinning are favorable for the diagnosis of early pellucid corneal marginal degeneration. It has been suggested the term forme-fruste pellucid for describing such cases. How ...
... pattern of a “lazy C” or lobster claw shape and an area of central corneal flattening. Age presentation and localized inferior thinning are favorable for the diagnosis of early pellucid corneal marginal degeneration. It has been suggested the term forme-fruste pellucid for describing such cases. How ...
VSII Final 2005-Smith section
... population is NOT correct? a. The average progression rate is about 0.5 D per year. b. The onset of myopia is typically between about 8 and 10 years of age. c. In general, the early the onset of myopia, the higher the rate of progression and the higher the final degree of myopia. d. The rate of myop ...
... population is NOT correct? a. The average progression rate is about 0.5 D per year. b. The onset of myopia is typically between about 8 and 10 years of age. c. In general, the early the onset of myopia, the higher the rate of progression and the higher the final degree of myopia. d. The rate of myop ...
Three-Dimensional Binocular Kinematics of Torsional Vestibular
... system, i.e., visual VOR-suppression, but must also consider the three-dimensional (3D) kinematics of eye rotation. Misslisch et al. have shown that the angular velocity vector during visual VOR cancellation is oriented approximately parallel to the line-of-sight (Misslisch et al. 1996). This is a r ...
... system, i.e., visual VOR-suppression, but must also consider the three-dimensional (3D) kinematics of eye rotation. Misslisch et al. have shown that the angular velocity vector during visual VOR cancellation is oriented approximately parallel to the line-of-sight (Misslisch et al. 1996). This is a r ...
Emory Eye, 2004 News for Alumni and Friends
... to the Editorial Board of the Review of Refractive Surgery and to the Editorial Board of the journal Cornea in 2004. Andrew Feinberg (resident ’96-99) practices in Atlanta, and he and wife Whitney have two children: Ryan, now 3, and William, 1 year. George Fivgas (resident ’95-98) was married Januar ...
... to the Editorial Board of the Review of Refractive Surgery and to the Editorial Board of the journal Cornea in 2004. Andrew Feinberg (resident ’96-99) practices in Atlanta, and he and wife Whitney have two children: Ryan, now 3, and William, 1 year. George Fivgas (resident ’95-98) was married Januar ...
Corneal Surgical Techniques
... PRK: myopia up to – 8 Dsph, hyperopia up to + 4 Dsph, and astigmatism up to 4 Dcyl (7). Large corrections (ablation depth greater than 100 µm) are considered for adjunctive 0,02% mitomycin C (MMC) because of the increased risk of postoperative haze and regression (16). Complications of PRK include: ...
... PRK: myopia up to – 8 Dsph, hyperopia up to + 4 Dsph, and astigmatism up to 4 Dcyl (7). Large corrections (ablation depth greater than 100 µm) are considered for adjunctive 0,02% mitomycin C (MMC) because of the increased risk of postoperative haze and regression (16). Complications of PRK include: ...
Fact Sheet ALBINISM
... What is Albinism? The word “albinism” refers to a group of inherited conditions. People with albinism have little or no pigment in their eyes, skin, or hair. They have inherited altered genes that do not make the usual amounts of a pigment called melanin. One person in 17,000 in the U.S.A. has so ...
... What is Albinism? The word “albinism” refers to a group of inherited conditions. People with albinism have little or no pigment in their eyes, skin, or hair. They have inherited altered genes that do not make the usual amounts of a pigment called melanin. One person in 17,000 in the U.S.A. has so ...
Poster Session
... Purpose: To investigate the effects of 430nm monochromatic light on defocus-induced myopia in guinea pigs. Methods: Eighteen 2-week-old pigmented guinea pigs were randomly assigned to two groups based on the mode of illumination: short-wavelength light (SL) for 8 weeks and broad-band white light (BL ...
... Purpose: To investigate the effects of 430nm monochromatic light on defocus-induced myopia in guinea pigs. Methods: Eighteen 2-week-old pigmented guinea pigs were randomly assigned to two groups based on the mode of illumination: short-wavelength light (SL) for 8 weeks and broad-band white light (BL ...
Ultrasound biomicroscopy findings in fireworks
... to the respective five and three clinically diagnosed ones. Ten cases with angle recession were observed and in five cases a subluxation of the crystalline lens was suggested. Two cases were clinically suspected for anterior segment intraocular foreign body but UBM and CT scanning congruently ruled ...
... to the respective five and three clinically diagnosed ones. Ten cases with angle recession were observed and in five cases a subluxation of the crystalline lens was suggested. Two cases were clinically suspected for anterior segment intraocular foreign body but UBM and CT scanning congruently ruled ...
The Eyes Have It: Ocular Imagery and Allusions in James Joyce`s
... Ulysses reveals their tendency to take on an active role in the narrative, working autonomously to create meaning and demonstrating a characteristically modernist separation between the body and the senses. In this context, active descriptions of eyes in Ulysses help to inform our understanding of t ...
... Ulysses reveals their tendency to take on an active role in the narrative, working autonomously to create meaning and demonstrating a characteristically modernist separation between the body and the senses. In this context, active descriptions of eyes in Ulysses help to inform our understanding of t ...
FUTURE PERSPECTIVES IN SMILE, LASIK AND PRK, AND
... LASIK has been the dominant refractive surgery procedure in most countries in recent decades. Its main advantage over PRK consists in the preservation of the corneal epithelium over the flap created by a microkeratome or a femtosecond laser before excimer laser treatment of the exposed stromal surfa ...
... LASIK has been the dominant refractive surgery procedure in most countries in recent decades. Its main advantage over PRK consists in the preservation of the corneal epithelium over the flap created by a microkeratome or a femtosecond laser before excimer laser treatment of the exposed stromal surfa ...
outline31107
... Conjugate, horizontal-torsional, increases with fixation attempt, progression from pendular to jerk, family history often positive, constant, conjugate, with or without associated sensory system deficits (e.g., alhinism, achromatopsia), associated strabismus or refractive error, decreases with conve ...
... Conjugate, horizontal-torsional, increases with fixation attempt, progression from pendular to jerk, family history often positive, constant, conjugate, with or without associated sensory system deficits (e.g., alhinism, achromatopsia), associated strabismus or refractive error, decreases with conve ...
Reduction of capsaicin-induced ocular pain and neurogenic
... Purpose. To examine whether blockade of chemosensitivity of corneal nociceptors by Ca2+ antagonists decreases pain and irritation induced by capsaicin. Methods. In adult rabbits, the number of lid-squeezing movements and the degree of palpebral opening, miotic response, and conjunctival vasodilation ...
... Purpose. To examine whether blockade of chemosensitivity of corneal nociceptors by Ca2+ antagonists decreases pain and irritation induced by capsaicin. Methods. In adult rabbits, the number of lid-squeezing movements and the degree of palpebral opening, miotic response, and conjunctival vasodilation ...
Development of functional hindbrain oculomotor circuitry
... We investigated the contribution of blood vessel formation and neuronal excitability to the development of functional neural circuitry in larval zebrafish by analyzing oculomotor performance in response to visual and vestibular stimuli. To address the dependence of neuronal function on the presence ...
... We investigated the contribution of blood vessel formation and neuronal excitability to the development of functional neural circuitry in larval zebrafish by analyzing oculomotor performance in response to visual and vestibular stimuli. To address the dependence of neuronal function on the presence ...
Operant control of human eye movements
... Smooth pursuit is a slow movement whose trajectory is determined by a moving stimulus. This response provides crucial support for vision by maintaining the retinal image of the object close to the fovea and by minimizing motion blur that would otherwise undermine visual perception. Although one migh ...
... Smooth pursuit is a slow movement whose trajectory is determined by a moving stimulus. This response provides crucial support for vision by maintaining the retinal image of the object close to the fovea and by minimizing motion blur that would otherwise undermine visual perception. Although one migh ...
Phototherapeutic Keratectomy as A Treatment Modality in
... PTK is a safe and minimally invasive procedure for the treatment of superficial opacities and helps to gain a moderate increase of visual acuity. Patients with stromal corneal dystrophies also benefit from improved vision as demonstrated in our study. Treatment in these cases when performed for redu ...
... PTK is a safe and minimally invasive procedure for the treatment of superficial opacities and helps to gain a moderate increase of visual acuity. Patients with stromal corneal dystrophies also benefit from improved vision as demonstrated in our study. Treatment in these cases when performed for redu ...
Efficient Eye Pointing With a Fisheye Lens
... with the following Fitts’ variation, expressing mean selection time (MT) as: MT = a + b log2 (A/W + 0.5), with a = 298 (ms) and b = 176 (ms/bit). Whatever the specific Fitts’ Law model for eye pointing may be, the sentiment embodied by the law intuitively carries over from manual input. Specifically ...
... with the following Fitts’ variation, expressing mean selection time (MT) as: MT = a + b log2 (A/W + 0.5), with a = 298 (ms) and b = 176 (ms/bit). Whatever the specific Fitts’ Law model for eye pointing may be, the sentiment embodied by the law intuitively carries over from manual input. Specifically ...