Roles of cell-extrinsic growth factors in vertebrate eye pattern
... Consistent with the above model, several classes of transcription factors containing homeobox, bHLH, leucine zipper, or nuclear receptor motifs have been shown to be crucial in generating specific retinal cell types (see other articles in this issue) [27]. Increasing evidence also indicates that at ...
... Consistent with the above model, several classes of transcription factors containing homeobox, bHLH, leucine zipper, or nuclear receptor motifs have been shown to be crucial in generating specific retinal cell types (see other articles in this issue) [27]. Increasing evidence also indicates that at ...
INFORMED CONSENT FOR PHOTOREFRACTIVE KERATECTOMY
... Haze: Loss of perfect clarity of the cornea, usually not affecting vision, which usually resolves over time. Starbursting. After refractive surgery, a certain number of patients experience glare, a “starbursting” or halo effect around lights, or other low-light vision problems that may interfere wit ...
... Haze: Loss of perfect clarity of the cornea, usually not affecting vision, which usually resolves over time. Starbursting. After refractive surgery, a certain number of patients experience glare, a “starbursting” or halo effect around lights, or other low-light vision problems that may interfere wit ...
informed consent for photorefractive keratectomy (prk)
... o Mild or severe infection: Mild infection can usually be treated with antibiotics and usually does not lead to permanent visual loss. Severe infection, even if successfully treated with antibiotics, could lead to permanent scarring and loss of vision that may require corrective laser surgery or, if ...
... o Mild or severe infection: Mild infection can usually be treated with antibiotics and usually does not lead to permanent visual loss. Severe infection, even if successfully treated with antibiotics, could lead to permanent scarring and loss of vision that may require corrective laser surgery or, if ...
Practice advisory for perioperative visual loss associated with spine
... A. Definition of Perioperative Visual loss Visual loss after spine surgery is an uncommon occurrence.1–3 Ophthalmic complications have been reported to occur in less than 0.2% of spine surgeries.4 – 8 For this Advisory, perioperative visual loss refers to permanent impairment or total loss of sight ...
... A. Definition of Perioperative Visual loss Visual loss after spine surgery is an uncommon occurrence.1–3 Ophthalmic complications have been reported to occur in less than 0.2% of spine surgeries.4 – 8 For this Advisory, perioperative visual loss refers to permanent impairment or total loss of sight ...
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... dependent on those in the optic nerve. Considerable debate has taken place as to whether the nerve is retinotopically organized or not. It had been proposed that in both cat and primate fibers were not organized in a meaningful way but were relatively random (62, 69). The limitations of these studie ...
... dependent on those in the optic nerve. Considerable debate has taken place as to whether the nerve is retinotopically organized or not. It had been proposed that in both cat and primate fibers were not organized in a meaningful way but were relatively random (62, 69). The limitations of these studie ...
Corneal Interface Morphology After Descemet Stripping
... The most common postoperative complication of DSEK is graft dislocation (1.5 - 14%) Pupillary block glaucoma has been reported as a rare postoperative complication of DSEK at a rate between 0 -3%. The pathogenesis of Urrets-Zavalia syndrome is thought to be pupillary block glaucoma resulting in iris ...
... The most common postoperative complication of DSEK is graft dislocation (1.5 - 14%) Pupillary block glaucoma has been reported as a rare postoperative complication of DSEK at a rate between 0 -3%. The pathogenesis of Urrets-Zavalia syndrome is thought to be pupillary block glaucoma resulting in iris ...
interstitial keratitis and deafness in a patient with
... The vestibulocochlear nerve is the fourth most frequently affected cranial nerve in sarcoidosis (1,4,9,12). There are no specific diagnostic tests for neurosarcoidosis. ACE-levels do not appear to reflect the activity of neurological disease and cerebrospinal fluid findings are variable and non-spec ...
... The vestibulocochlear nerve is the fourth most frequently affected cranial nerve in sarcoidosis (1,4,9,12). There are no specific diagnostic tests for neurosarcoidosis. ACE-levels do not appear to reflect the activity of neurological disease and cerebrospinal fluid findings are variable and non-spec ...
Dragged Fovea Diplopia Syndrome
... CONCLUSIONS: Secondary translocation of the macula monocularly results in a disturbance of egocentric localization and in metamorphopsia. Binocularly doubled vision with tilted images and a loss of sensorial fusion are seen. With monocular vision, perceptual adapting to the aberration in egocentric ...
... CONCLUSIONS: Secondary translocation of the macula monocularly results in a disturbance of egocentric localization and in metamorphopsia. Binocularly doubled vision with tilted images and a loss of sensorial fusion are seen. With monocular vision, perceptual adapting to the aberration in egocentric ...
Safety and effectiveness of the SUPRACOR
... Methods: This is a retrospective case review of patients diagnosed with hyperopia (Sphere ≥ +0.0 D and presbyopia reading add ≥ 1.0 D) who underwent Supracor excimer laser treatment on at least one eye for presbyopia correction from year May 2011 to May 2013. Binocular vision was further analyzed af ...
... Methods: This is a retrospective case review of patients diagnosed with hyperopia (Sphere ≥ +0.0 D and presbyopia reading add ≥ 1.0 D) who underwent Supracor excimer laser treatment on at least one eye for presbyopia correction from year May 2011 to May 2013. Binocular vision was further analyzed af ...
Pseudoexfoliation Syndrome vs. Glaucoma Outline
... Ocular signs: white deposits on lens surface (central disc, intermediate clear zone, peripheral granular zone), deposits on pupil border, pigment loss from pupillary ruff/iris sphincter, pigment dispersion/IOP increase with dilation, poor pupillary dilation, early cataract formation, conjunctival an ...
... Ocular signs: white deposits on lens surface (central disc, intermediate clear zone, peripheral granular zone), deposits on pupil border, pigment loss from pupillary ruff/iris sphincter, pigment dispersion/IOP increase with dilation, poor pupillary dilation, early cataract formation, conjunctival an ...
Sheetal Baldava 1 , M. Gopal Kishan 2
... nerve due to the faulty closure of optic fissure during 5th to 7th week of fetal life. The typical coloboma is caused by defective closure of fetal fissure.4,5 located in infero nasal quadrant & it may affect any part of globe traversed by fissure from iris to optic nerve. Complete evaluation of aff ...
... nerve due to the faulty closure of optic fissure during 5th to 7th week of fetal life. The typical coloboma is caused by defective closure of fetal fissure.4,5 located in infero nasal quadrant & it may affect any part of globe traversed by fissure from iris to optic nerve. Complete evaluation of aff ...
orbital complications of rhinosinusitis
... An abscess formation within the orbital tissues themselves will present with a similar clinical picture as a subperiosteal abscess. Ophthalmoplegia and reduced visual acuity is also present, but the degree of exophthalmos and chemosis is felt to be more severe compared to that experienced with subpe ...
... An abscess formation within the orbital tissues themselves will present with a similar clinical picture as a subperiosteal abscess. Ophthalmoplegia and reduced visual acuity is also present, but the degree of exophthalmos and chemosis is felt to be more severe compared to that experienced with subpe ...
"Differential Diagnosis of the Causes of Exophthalmos."
... nerve, orbit, skull, lymph glands, and liver, is clinically and pathologically described. A striking feature in the optic nerve spread was a jump in the tumour growth. Based on the facts in this case and of those reported in the literature, certain deductions are made regarding the mode of spread of ...
... nerve, orbit, skull, lymph glands, and liver, is clinically and pathologically described. A striking feature in the optic nerve spread was a jump in the tumour growth. Based on the facts in this case and of those reported in the literature, certain deductions are made regarding the mode of spread of ...
ocular disease due to brucellosis - British Journal of Ophthalmology
... ALL the chronic granulomatous infections may occasionally give rise to ocular disease, and tuberculosis and syphilis are the best known in Great Britain. Brucellosis is an infection which should, at least in its chronic forms, be regarded as an important member of this group, and ought to be remembe ...
... ALL the chronic granulomatous infections may occasionally give rise to ocular disease, and tuberculosis and syphilis are the best known in Great Britain. Brucellosis is an infection which should, at least in its chronic forms, be regarded as an important member of this group, and ought to be remembe ...
3._Squint
... muscles is 99% horizontal. They have trivial secondary or tertiary actions. • The primary action of the vertical rectus muscles is 75% vertical, and they have secondary torsional and horizontal actions. • The primary action of the oblique muscles is 60% cyclorotation (torsion) and they have secondar ...
... muscles is 99% horizontal. They have trivial secondary or tertiary actions. • The primary action of the vertical rectus muscles is 75% vertical, and they have secondary torsional and horizontal actions. • The primary action of the oblique muscles is 60% cyclorotation (torsion) and they have secondar ...
"Differential Diagnosis of the Causes of Exophthalmos."
... nerve, orbit, skull, lymph glands, and liver, is clinically and pathologically described. A striking feature in the optic nerve spread was a jump in the tumour growth. Based on the facts in this case and of those reported in the literature, certain deductions are made regarding the mode of spread of ...
... nerve, orbit, skull, lymph glands, and liver, is clinically and pathologically described. A striking feature in the optic nerve spread was a jump in the tumour growth. Based on the facts in this case and of those reported in the literature, certain deductions are made regarding the mode of spread of ...
MEDULLATED NERVE FIBERS ACASE REPORT ANDREVIEW
... on Noorden defines amblyopia as “a decrease in visual acuity in one or both eyes which upon physical examination, appear normal and which, if treated early in life, is completely or partially reversible.” He writes that the prevalence of amblyopia is 2-2½% of the general population.1 He further divi ...
... on Noorden defines amblyopia as “a decrease in visual acuity in one or both eyes which upon physical examination, appear normal and which, if treated early in life, is completely or partially reversible.” He writes that the prevalence of amblyopia is 2-2½% of the general population.1 He further divi ...
Eyes - LWW.com
... smooth. Their purpose is to protect the eye from foreign bodies and limit the amount of light entering the eye. In addition, they serve to distribute tears that lubricate the surface of the eye (Fig. 15-1). The upper eyelid is larger, more mobile, and contains tarsal plates made up of connective tis ...
... smooth. Their purpose is to protect the eye from foreign bodies and limit the amount of light entering the eye. In addition, they serve to distribute tears that lubricate the surface of the eye (Fig. 15-1). The upper eyelid is larger, more mobile, and contains tarsal plates made up of connective tis ...
Sherwood 6B
... Countercurrent exchange • Found in many animal systems – thermoregulation, and in the kidney • The transfer of a substance flowing in one direction to another moving in the opposite direction • Efficient - gill can remove 80 % of O2 ...
... Countercurrent exchange • Found in many animal systems – thermoregulation, and in the kidney • The transfer of a substance flowing in one direction to another moving in the opposite direction • Efficient - gill can remove 80 % of O2 ...
Sight - UBC Zoology
... -figures of eyeball Study the models, the dissection on display and your prelab exercise. Identify the following structures and their functions: sclera, cornea, conjunctiva, choroid, ciliary body (muscles and processes), suspensory ligament, iris, pupil, lens, anterior chamber, posterior chamber, aq ...
... -figures of eyeball Study the models, the dissection on display and your prelab exercise. Identify the following structures and their functions: sclera, cornea, conjunctiva, choroid, ciliary body (muscles and processes), suspensory ligament, iris, pupil, lens, anterior chamber, posterior chamber, aq ...
causes of white corneas in dogs
... Generally non-painful though occasionally, particularly in Shelties, can cause episodes of pain that require medical therapy or even surgery. Focal degeneration ...
... Generally non-painful though occasionally, particularly in Shelties, can cause episodes of pain that require medical therapy or even surgery. Focal degeneration ...
DVLA Standards
... • Poor acuity affected sign recognition and hazard avoidance • Increased time to complete circuit But • No impact on manoeuvring ability or maintaining lane position Studies on simulators • In different conditions: support the findings from closed circuit studies ...
... • Poor acuity affected sign recognition and hazard avoidance • Increased time to complete circuit But • No impact on manoeuvring ability or maintaining lane position Studies on simulators • In different conditions: support the findings from closed circuit studies ...
Intraocular Lens Dislocation Cataract surgery
... will chose the one that is most appropriate based on your IOL type and the anatomy of your eye: • IOL rescue/reposition: The dislocated IOL is preserved and repositioned in a more stable location. The possibility of using the existing lens is based on many factors including the style and condition ...
... will chose the one that is most appropriate based on your IOL type and the anatomy of your eye: • IOL rescue/reposition: The dislocated IOL is preserved and repositioned in a more stable location. The possibility of using the existing lens is based on many factors including the style and condition ...
Strabismus/Amblyopia - Carolina Center for Eye Care
... in sports. A comprehensive eye examination looks at many aspects of your child's visual health, but certain testing is only completed if an eye teaming problem is suspected. A second, more in depth evaluation of your child's visual system is often required to determine the type of eye teaming diffic ...
... in sports. A comprehensive eye examination looks at many aspects of your child's visual health, but certain testing is only completed if an eye teaming problem is suspected. A second, more in depth evaluation of your child's visual system is often required to determine the type of eye teaming diffic ...