Persistent hyaloid artery with an aberrant peripheral retinal
... artery extending from the disc upto the posterior lens capsule is uncommon.[1] We hereby present a patient with persistent hyaloid artery extending from the optic disc to the superior part of retina with no remnant at the posterior lens capsule. A 15‑year‑old male patientpresented to the out‑patient ...
... artery extending from the disc upto the posterior lens capsule is uncommon.[1] We hereby present a patient with persistent hyaloid artery extending from the optic disc to the superior part of retina with no remnant at the posterior lens capsule. A 15‑year‑old male patientpresented to the out‑patient ...
Form and Function-The CrystaLens HD_Results with the CrystaLens
... retrospective study4 of the Crystalens Five-O and the HD in which we dilated patients, placed apertures in front of their eyes, and then compared their visual acuities and refractions at maximum dilation and apertures of 4, 3, and 2 mm. If Crystalens Five-O patients start with a 4-mm pupil and then ...
... retrospective study4 of the Crystalens Five-O and the HD in which we dilated patients, placed apertures in front of their eyes, and then compared their visual acuities and refractions at maximum dilation and apertures of 4, 3, and 2 mm. If Crystalens Five-O patients start with a 4-mm pupil and then ...
Visual Benefit of Correcting Higher Order Aberrations of the Eye
... patient's refraction is also a prescription for improving retinal image quality. But the conventional refraction attempts to specify what is wrong with the eye using only three parameters (sphere, cylinder, and axis), whereas the wave aberration specifies the errors in the eye with many more paramet ...
... patient's refraction is also a prescription for improving retinal image quality. But the conventional refraction attempts to specify what is wrong with the eye using only three parameters (sphere, cylinder, and axis), whereas the wave aberration specifies the errors in the eye with many more paramet ...
Cloudy central corneal dystrophy
... third of the corneal stroma, and consisted of small cloudy grey areas with indefinite structure and indistinct margins. These areas were larger and more numerous in the posterior part of the stroma and became smaller and less frequent in the anterior part. In some cases the anterior layers of the st ...
... third of the corneal stroma, and consisted of small cloudy grey areas with indefinite structure and indistinct margins. These areas were larger and more numerous in the posterior part of the stroma and became smaller and less frequent in the anterior part. In some cases the anterior layers of the st ...
Long-term Improvement after the Athens Protocol for Advanced
... corneal diseases and is responsible for over 50% of the cases.12,13 Contact lenses may provide the best possible visual acuity because it regulates the corneal surface along with the tear film.14,15 However, there is no evidence that contact lens stabilize or prevent ectasia progression, while there ...
... corneal diseases and is responsible for over 50% of the cases.12,13 Contact lenses may provide the best possible visual acuity because it regulates the corneal surface along with the tear film.14,15 However, there is no evidence that contact lens stabilize or prevent ectasia progression, while there ...
Ectopia Lentis: Weill Marchesani Syndrome
... Ectopia lentis is a rare condition. Incidence in the general population is unknown. The most common cause of ectopia lentis is trauma, which accounts for nearly one half of all cases of lens dislocation. Mortality/Morbidity Ectopia lentis may cause marked visual disturbance, which varies with the de ...
... Ectopia lentis is a rare condition. Incidence in the general population is unknown. The most common cause of ectopia lentis is trauma, which accounts for nearly one half of all cases of lens dislocation. Mortality/Morbidity Ectopia lentis may cause marked visual disturbance, which varies with the de ...
Volume 3 Issue 4
... to episodes vs. remission. The psychosocial issues are moreover far more frequent and troublesome (as I have seen throughout my years practicing) if the female is afflicted with the disease, as opposed to the male when it comes to marital status considerations. This case indicates the importance of ...
... to episodes vs. remission. The psychosocial issues are moreover far more frequent and troublesome (as I have seen throughout my years practicing) if the female is afflicted with the disease, as opposed to the male when it comes to marital status considerations. This case indicates the importance of ...
Ocular toxicity after intracameral injection of very high
... was corneal edema, and it improved with topical steroid treatment. However, unlike what usually happens in TASS,19 inflammation was not restricted to the anterior segment, which therefore argues in favor of a diagnosis of mild toxic endophthalmitis. Only patients with elevated IOP reported ocular pa ...
... was corneal edema, and it improved with topical steroid treatment. However, unlike what usually happens in TASS,19 inflammation was not restricted to the anterior segment, which therefore argues in favor of a diagnosis of mild toxic endophthalmitis. Only patients with elevated IOP reported ocular pa ...
Ophthalmic Preparations
... upper conjunctival sac, gradually dissolves within 1h , while releasing the drug. - Advantage: Being entirely soluble so that they do not need to be removed from their site of application. ...
... upper conjunctival sac, gradually dissolves within 1h , while releasing the drug. - Advantage: Being entirely soluble so that they do not need to be removed from their site of application. ...
Visual Information Processing Evaluation and Orthoptic and Vision
... drop daily), for 6 months. Treatment after 6 months was at the discretion of the investigator. Two years after enrollment, an unselected subgroup of 188 children were enrolled into long-term follow-up. At 15 years of age, most children treated for moderate amblyopia when younger than 7 years have go ...
... drop daily), for 6 months. Treatment after 6 months was at the discretion of the investigator. Two years after enrollment, an unselected subgroup of 188 children were enrolled into long-term follow-up. At 15 years of age, most children treated for moderate amblyopia when younger than 7 years have go ...
Understanding Corneal Blindness Handout
... inflammation inside the eye; corneal blisters and erosions; and corneal holes. In some cases, the ocular complications from SJS can be disabling and lead to severe vision loss. Lattice Dystrophy. Lattice dystrophy gets its name from an accumulation of amyloid deposits, or abnormal protein fibers, th ...
... inflammation inside the eye; corneal blisters and erosions; and corneal holes. In some cases, the ocular complications from SJS can be disabling and lead to severe vision loss. Lattice Dystrophy. Lattice dystrophy gets its name from an accumulation of amyloid deposits, or abnormal protein fibers, th ...
Understanding Corneal Blindness
... Corneal Infections. Sometimes the cornea is damaged after a foreign object has penetrated the tissue, such as from a poke in the eye. At other times, bacteria or fungi from a contaminated contact lens can pass into the cornea. Situations like these can cause painful inflammation and corneal infectio ...
... Corneal Infections. Sometimes the cornea is damaged after a foreign object has penetrated the tissue, such as from a poke in the eye. At other times, bacteria or fungi from a contaminated contact lens can pass into the cornea. Situations like these can cause painful inflammation and corneal infectio ...
Guidelines for the Collaborative Management of Persons with AMD
... detected that result in a significantly higher risk for the development of late-stage dry and wet AMD.7 In addition, several studies have shown a clear relation between smoking and the progression of AMD to the exudative form.8,9 In the Beaver Dam Eye Study, approximately 22% of patients with advanc ...
... detected that result in a significantly higher risk for the development of late-stage dry and wet AMD.7 In addition, several studies have shown a clear relation between smoking and the progression of AMD to the exudative form.8,9 In the Beaver Dam Eye Study, approximately 22% of patients with advanc ...
Masquerade Syndromes
... has increased over the last 10 years, from 2.7 to 7.5 cases per million [11]. Such increase may be secondary to the emergence of the AIDS and other causes of immunosuppression. The median age of patients is 50 to 60 years; male is slightly predominant over female [4,11]. Ocular involvement exists in ...
... has increased over the last 10 years, from 2.7 to 7.5 cases per million [11]. Such increase may be secondary to the emergence of the AIDS and other causes of immunosuppression. The median age of patients is 50 to 60 years; male is slightly predominant over female [4,11]. Ocular involvement exists in ...
Ocular retardation (or) in the mouse.
... with two different solvent systems,7' 8 and all the radioactivity present was found to be associated with the vidarabine monophosphate. An eye cup was inserted with its periphery applied within the limits of the corneal limbus, and 0.7 ml of a 0.1% solution of vidarabine monophosphate (containing 5 ...
... with two different solvent systems,7' 8 and all the radioactivity present was found to be associated with the vidarabine monophosphate. An eye cup was inserted with its periphery applied within the limits of the corneal limbus, and 0.7 ml of a 0.1% solution of vidarabine monophosphate (containing 5 ...
Comprehensive Adult Medical Eye Evaluation
... The Preferred Practice Pattern® (PPP) guidelines are based on the best available scientific data as interpreted by panels of knowledgeable health professionals. In some instances, such as when results of carefully conducted clinical trials are available, the data are particularly persuasive and prov ...
... The Preferred Practice Pattern® (PPP) guidelines are based on the best available scientific data as interpreted by panels of knowledgeable health professionals. In some instances, such as when results of carefully conducted clinical trials are available, the data are particularly persuasive and prov ...
Optical coherence tomography imaging of ocular and periocular
... Figure 1 Left eye conjunctival lesion noticed 4 months prior to referral to the oncology clinic after treatment with topical steroids failed. Slit lamp photographs reveal a vascularised cream-coloured lesion (A). Nasally, the lesion appeared to arise from the epithelium with two small pearl lesions ...
... Figure 1 Left eye conjunctival lesion noticed 4 months prior to referral to the oncology clinic after treatment with topical steroids failed. Slit lamp photographs reveal a vascularised cream-coloured lesion (A). Nasally, the lesion appeared to arise from the epithelium with two small pearl lesions ...
sample - Test Bank Team
... If the person is unable to see even the largest letters when standing 20 feet from the chart, then the nurse should shorten the distance to the chart until the letters are seen, and record that distance (e.g., “10/200”). If visual acuity is even lower, then the nurse should assess whether the person ...
... If the person is unable to see even the largest letters when standing 20 feet from the chart, then the nurse should shorten the distance to the chart until the letters are seen, and record that distance (e.g., “10/200”). If visual acuity is even lower, then the nurse should assess whether the person ...
- Wiley Online Library
... Purpose: To assess the effects of multifocal soft contact lenses (MF SCLs) used for myopia control on visual acuity (VA) and subjective quality of vision. Methods: Twenty-four young adult myopes had baseline high and low-contrast VAs and refractions measured and quality of vision assessed by the Qual ...
... Purpose: To assess the effects of multifocal soft contact lenses (MF SCLs) used for myopia control on visual acuity (VA) and subjective quality of vision. Methods: Twenty-four young adult myopes had baseline high and low-contrast VAs and refractions measured and quality of vision assessed by the Qual ...
Visual Information Processing Evaluation and Orthoptic and Vision
... drop daily), for 6 months. Treatment after 6 months was at the discretion of the investigator. Two years after enrollment, an unselected subgroup of 188 children were enrolled into long-term follow-up. At 15 years of age, most children treated for moderate amblyopia when younger than 7 years have go ...
... drop daily), for 6 months. Treatment after 6 months was at the discretion of the investigator. Two years after enrollment, an unselected subgroup of 188 children were enrolled into long-term follow-up. At 15 years of age, most children treated for moderate amblyopia when younger than 7 years have go ...
All Cataracts Are Not The Same - Carolina Eye Care Professionals
... are no known causes of cataract development, there are a number of risk factors. There are three main types of cataracts. One, two or all three may be present in any given person. These three types of cataract, the nuclear, cortical and sub-capsular type, make up more than 98% of all cataracts. Each ...
... are no known causes of cataract development, there are a number of risk factors. There are three main types of cataracts. One, two or all three may be present in any given person. These three types of cataract, the nuclear, cortical and sub-capsular type, make up more than 98% of all cataracts. Each ...
The Sensory System
... the iris and the ciliary muscle. The iris (I-ris), the colored or pigmented part of the eye, is composed of two sets of muscle fibers that govern the size of the iris’s central opening, the pupil (PU-pil) (Fig. 11-7). One set of fibers is arranged in a circular fashion, and the other set extends rad ...
... the iris and the ciliary muscle. The iris (I-ris), the colored or pigmented part of the eye, is composed of two sets of muscle fibers that govern the size of the iris’s central opening, the pupil (PU-pil) (Fig. 11-7). One set of fibers is arranged in a circular fashion, and the other set extends rad ...
Binocular Vision and Space Perception
... can be shown by using inadequate stimuli. If the retina is stimulated mechanically (pressure) or electrically, the resulting sensation is localized in the same specific direction in which it would be localized if the retinal elements had been stimulated by light. For instance, if we apply finger pre ...
... can be shown by using inadequate stimuli. If the retina is stimulated mechanically (pressure) or electrically, the resulting sensation is localized in the same specific direction in which it would be localized if the retinal elements had been stimulated by light. For instance, if we apply finger pre ...
Anterior Segment Optical Coherence Tomography Findings of Acute
... autorefraction, uncorrected visual acuity (UCVA), best spectacle-corrected visual acuity, intraocular pressure, slitlamp examination, and dilated fundus examination. The follow-up examinations were performed monthly. The best spectacle-corrected visual acuity of the right eye was 20/30, whereas UCVA ...
... autorefraction, uncorrected visual acuity (UCVA), best spectacle-corrected visual acuity, intraocular pressure, slitlamp examination, and dilated fundus examination. The follow-up examinations were performed monthly. The best spectacle-corrected visual acuity of the right eye was 20/30, whereas UCVA ...
Visual impairment due to intracranial pressure
Spaceflight induced visual impairment is hypothesized to be a result of increased intracranial pressure. The study of visual changes and intracranial pressure (ICP) in astronauts on long-duration flights is a relatively recent topic of interest to Space Medicine professionals. Although reported signs and symptoms have not appeared to be severe enough to cause blindness in the near term, long term consequences of chronically elevated intracranial pressure is unknown.NASA has reported that fifteen long-duration male astronauts (45–55 years of age) have experienced confirmed visual and anatomical changes during or after long-duration flights. Optic disc edema, globe flattening, choroidal folds, hyperopic shifts and an increased intracranial pressure have been documented in these astronauts. Some individuals experienced transient changes post-flight while others have reported persistent changes with varying degrees of severity.Although the exact cause is not known at this time, it is suspected that microgravity-induced cephalad fluid shift and comparable physiological changes play a significant role in these changes. Other contributing factors may include pockets of increased CO2 and an increase in sodium intake. It seems unlikely that resistive or aerobic exercise are contributing factors, but they may be potential countermeasures to reduce intraocular pressure (IOP) or intracranial pressure (ICP) in-flight.