Binocular coordination of saccades in children with vertigo
... Wt the calibration data. From the two individual calibrated eye position signals we calculated the conjugate or saccadic signal [(left eye + right eye)/2] and the disconjugate or vergence signal (left eye ¡ right eye). Markers were placed automatically at diVerent points on the eye position signals ...
... Wt the calibration data. From the two individual calibrated eye position signals we calculated the conjugate or saccadic signal [(left eye + right eye)/2] and the disconjugate or vergence signal (left eye ¡ right eye). Markers were placed automatically at diVerent points on the eye position signals ...
Draft - ECHA
... affected. Microscopic examination of the entire respiratory tract may provide useful information for test articles that are reactive with water, such as acids and hygroscopic test articles”. Moreover, the data on local dermal or ocular corrosion/irritation might contain information that is relevant ...
... affected. Microscopic examination of the entire respiratory tract may provide useful information for test articles that are reactive with water, such as acids and hygroscopic test articles”. Moreover, the data on local dermal or ocular corrosion/irritation might contain information that is relevant ...
Download the Summer 2006 Sightline
... glia. These cells respond by producing substances that prevent the degeneration of retinal photoreceptor cells caused by RP. The lab is now attempting to isolate the specific molecules that Müller cells produce in order to isolate and analyze their therapeutic agents. In a second study, Dr. Adler is ...
... glia. These cells respond by producing substances that prevent the degeneration of retinal photoreceptor cells caused by RP. The lab is now attempting to isolate the specific molecules that Müller cells produce in order to isolate and analyze their therapeutic agents. In a second study, Dr. Adler is ...
2.4 - PRIMARY ANGLE-CLOSURE
... trabecular outflow leading to a rise in IOP up to 50-80 mmHg. When total trabecular obstruction occurs rapidly (within a few hours), it causes the symptoms and signs of acute angle-closure (AAC). The increased resistance to trans-pupillary aqueous flow is believed to result from co-activation of both ...
... trabecular outflow leading to a rise in IOP up to 50-80 mmHg. When total trabecular obstruction occurs rapidly (within a few hours), it causes the symptoms and signs of acute angle-closure (AAC). The increased resistance to trans-pupillary aqueous flow is believed to result from co-activation of both ...
- Ophthalmology
... modulator of wound healing in an animal model of PRK in 1991. They demonstrated that topically applied MMC in conjunction with corticosteroid eye drops inhibited subepithelial collagen synthesis in an additive fashion when applied for 14 consecutive days after excimer laser keratectomy. Schipper et ...
... modulator of wound healing in an animal model of PRK in 1991. They demonstrated that topically applied MMC in conjunction with corticosteroid eye drops inhibited subepithelial collagen synthesis in an additive fashion when applied for 14 consecutive days after excimer laser keratectomy. Schipper et ...
Current concepts of mechanical and neural factors in
... (a) Lateral view. For each rectus EOM, the rotational velocity axis is perpendicular to the segment from pulley to scleral insertion. The velocity axis for the lateral rectus is vertical in primary position. (b) Lateral view. In supraduction to angle a, the lateral rectus rotational velocity axis ti ...
... (a) Lateral view. For each rectus EOM, the rotational velocity axis is perpendicular to the segment from pulley to scleral insertion. The velocity axis for the lateral rectus is vertical in primary position. (b) Lateral view. In supraduction to angle a, the lateral rectus rotational velocity axis ti ...
AMBLYOPIA IN CHILDREN: THERAPY AND FOLLOW-UP Pia Agervi Thesis for doctoral degree (Ph.D.)
... children treated for monocular amblyopia and in 25 control children. The children underwent measurement of the BCVA using a standard decimal chart, the TriVA method at different contrast levels and the Rarebit Fovea Test (RFT). The amblyopic eyes had significantly lower results when the BCVA was eva ...
... children treated for monocular amblyopia and in 25 control children. The children underwent measurement of the BCVA using a standard decimal chart, the TriVA method at different contrast levels and the Rarebit Fovea Test (RFT). The amblyopic eyes had significantly lower results when the BCVA was eva ...
Fundamental Concepts of Chronic Angle
... causing anatomical angle-closure. These include pupillary block, plateau iris, thick peripheral lens, lens-related causes, and ciliary block. Classification of mechanism into four level of blockage identifies obstructions to aqueous flow at different levels is widely accepted and practical.25 Pupill ...
... causing anatomical angle-closure. These include pupillary block, plateau iris, thick peripheral lens, lens-related causes, and ciliary block. Classification of mechanism into four level of blockage identifies obstructions to aqueous flow at different levels is widely accepted and practical.25 Pupill ...
Full paper
... according to the manufacturers manual. The device was evaluated in this study after excluding the other factors that are known to affect the flap thickness such as variation in preoperative central corneal pachmetry, size of the suction ring, and steepest K reading by selecting cases with a narrow ...
... according to the manufacturers manual. The device was evaluated in this study after excluding the other factors that are known to affect the flap thickness such as variation in preoperative central corneal pachmetry, size of the suction ring, and steepest K reading by selecting cases with a narrow ...
Update on Amblyopia Treatment Evidence based Practice 2015
... Amblyopia improves with optical correction alone in about 1/4 of patients; though most will require additional treatment For 7 to <13 year olds, prescribing patching 2 to 6 hours/day with near activities and atropine can improve visual acuity even if the amblyopia has been previously treated. ...
... Amblyopia improves with optical correction alone in about 1/4 of patients; though most will require additional treatment For 7 to <13 year olds, prescribing patching 2 to 6 hours/day with near activities and atropine can improve visual acuity even if the amblyopia has been previously treated. ...
Gaze Control in Humans: Eye-Head Coordination - Research
... has been called the gaze feedback hypothesis. Note that in both the “addition” and gaze feedback hypotheses, for a given target eccentricity, the saccade amplitude will be smaller head free than it is head fixed. One way of experimentally investigating this motor organization is to suddenly and unex ...
... has been called the gaze feedback hypothesis. Note that in both the “addition” and gaze feedback hypotheses, for a given target eccentricity, the saccade amplitude will be smaller head free than it is head fixed. One way of experimentally investigating this motor organization is to suddenly and unex ...
Slide 1
... converge to form optic nerve • Located toward nasal side of retina, it has these characteristics: a color that varies from creamy yelloworange to pink; a round or oval shape; margins that are distinct and sharply demarcated, especially on temporal side; and a physiologic cup, the smaller circular ar ...
... converge to form optic nerve • Located toward nasal side of retina, it has these characteristics: a color that varies from creamy yelloworange to pink; a round or oval shape; margins that are distinct and sharply demarcated, especially on temporal side; and a physiologic cup, the smaller circular ar ...
vision - University of Illinois College of Medicine at Chicago
... research program remains very strong especially with the recruitment of Drs. Dingcai Cao and Jason McAnany, both Principal Investigators for National Eye Institute grants. The departmental core grant, of which I serve as the PI, was renewed through 2014. The Department also received a grant this yea ...
... research program remains very strong especially with the recruitment of Drs. Dingcai Cao and Jason McAnany, both Principal Investigators for National Eye Institute grants. The departmental core grant, of which I serve as the PI, was renewed through 2014. The Department also received a grant this yea ...
Myopia: attempts to arrest progression
... compliance with spectacle wear may be a problem. In addition, children may not always use the lower segment of the lens for reading. Recently, there have been several well designed randomised clinical trials of bifocal lenses conducted in children in the United States, Finland, and Denmark.30–33 The ...
... compliance with spectacle wear may be a problem. In addition, children may not always use the lower segment of the lens for reading. Recently, there have been several well designed randomised clinical trials of bifocal lenses conducted in children in the United States, Finland, and Denmark.30–33 The ...
Iontophoresis of 5-fluorouracil into the conjunctiva and sclera.
... 1.2 /tg/g by 10 hr. The 5-FU concentrations in the aqueous were much lower than those in the conjunctiva and sclera (Table 2, Fig. 2). The total amount of 5-FU introduced was estimated by multiplying the weights of the conjunctiva and sclera samples obtained just after iontophoresis by the 5-FU conc ...
... 1.2 /tg/g by 10 hr. The 5-FU concentrations in the aqueous were much lower than those in the conjunctiva and sclera (Table 2, Fig. 2). The total amount of 5-FU introduced was estimated by multiplying the weights of the conjunctiva and sclera samples obtained just after iontophoresis by the 5-FU conc ...
The free amino acids and the aqueous humor pH after
... (1991) proved in pigmented rabbits the conjunctiva is more permeable for beta blockers (Atenolol, Timoptol, Levobunolol and Betaxolol) than cornea and this penetration is more intensive in case of pH increase to 8.4. Also pH of tears is important factor in penetration of the instilled ophthalmologic ...
... (1991) proved in pigmented rabbits the conjunctiva is more permeable for beta blockers (Atenolol, Timoptol, Levobunolol and Betaxolol) than cornea and this penetration is more intensive in case of pH increase to 8.4. Also pH of tears is important factor in penetration of the instilled ophthalmologic ...
Review of Literature-Based Models for Skin and Eye Irritation and
... strategies contribute to the reduction and refinement of in vivo tests. The non-animal methods act as partial replacements of the animal test being used to place chemicals into two or more categories of irritation/corrosion potential, without generating too many false positive results. In such strat ...
... strategies contribute to the reduction and refinement of in vivo tests. The non-animal methods act as partial replacements of the animal test being used to place chemicals into two or more categories of irritation/corrosion potential, without generating too many false positive results. In such strat ...
Saccadic Compensation for Smooth Eye and Head Movements
... in maintaining a spatially stable internal representation of the world have been examined during combined saccadic and pursuit eye movements (Blohm et al. 2003, 2005a,b, 2006). However, the latter studies were performed with the head restrained (except for Herter and Guitton 1998). In the present st ...
... in maintaining a spatially stable internal representation of the world have been examined during combined saccadic and pursuit eye movements (Blohm et al. 2003, 2005a,b, 2006). However, the latter studies were performed with the head restrained (except for Herter and Guitton 1998). In the present st ...
Corneal Crosslinking with Riboflavin and
... enzyme lysyl oxidase after they have left the cell (post-translationally).18 The collagen thereby attains its natural firmness, stability, and tissue-specific elastic properties. Lysyl oxidase transforms the amino groups of certain amino acids into aldehyde groups, and these groups can either spontane ...
... enzyme lysyl oxidase after they have left the cell (post-translationally).18 The collagen thereby attains its natural firmness, stability, and tissue-specific elastic properties. Lysyl oxidase transforms the amino groups of certain amino acids into aldehyde groups, and these groups can either spontane ...
Cystic disorders of the corneal epithelium
... cases may be inherited (Franceschetti, I928), and it may be added that certain corneal dystrophies are associated with recurrent erosion episodes (Stansbury, I948). Recently, a superficial corneal disorder has been described (Bron and Brown, 1971) in which a very delicate change in the region of the ...
... cases may be inherited (Franceschetti, I928), and it may be added that certain corneal dystrophies are associated with recurrent erosion episodes (Stansbury, I948). Recently, a superficial corneal disorder has been described (Bron and Brown, 1971) in which a very delicate change in the region of the ...
Gaze control for detail and overview in image exploration Sebastian Rauhala LIU-ITN-TEK-A--15/046--SE
... Eye tracking technology has made it possible to accurately and consistently track a users gaze position on a screen. The human eyes center of focus, where it can see the most detailed information, is quite small at a given moment. The peripheral vision of humans have a much lower level of details th ...
... Eye tracking technology has made it possible to accurately and consistently track a users gaze position on a screen. The human eyes center of focus, where it can see the most detailed information, is quite small at a given moment. The peripheral vision of humans have a much lower level of details th ...
The conjunctiva in corneal epithelial wound healing
... migration onto the cornea can occur. Apart from injury, several conditions aVecting the ocular surface also result in stem cell deficiency and favour conjunctival epithelial migration on to the cornea. Important conditions include aniridia, Stevens–Johnson syndrome, burns caused by chemicals, heat o ...
... migration onto the cornea can occur. Apart from injury, several conditions aVecting the ocular surface also result in stem cell deficiency and favour conjunctival epithelial migration on to the cornea. Important conditions include aniridia, Stevens–Johnson syndrome, burns caused by chemicals, heat o ...
Journal Lis2
... that measurements by DCT were significantly more consistent.49–51 We found that the differences of measurements between DCT and GAT are strongly correlated with CCT (Figure 3). These IOP differences are more pronounced in eyes with thinner corneas, whereas in most eyes with thicker corneas they tend ...
... that measurements by DCT were significantly more consistent.49–51 We found that the differences of measurements between DCT and GAT are strongly correlated with CCT (Figure 3). These IOP differences are more pronounced in eyes with thinner corneas, whereas in most eyes with thicker corneas they tend ...
Management of Eyelid Retraction
... Several series have reported that more than 90% had “success” with a gold weight implantation for paralytic lagophthalmos.15,19 Although some degree of lagophthalmos may often persist after gold weight implantation, it is usually diminished enough for topical lubrication to control the symptoms of e ...
... Several series have reported that more than 90% had “success” with a gold weight implantation for paralytic lagophthalmos.15,19 Although some degree of lagophthalmos may often persist after gold weight implantation, it is usually diminished enough for topical lubrication to control the symptoms of e ...
IOSR Journal of Dental and Medical Sciences (IOSR-JDMS)
... defect (coloboma) in the wall of a microphthalmic eye and are lined by a neuroectoderm[1,2].It is usually diagnosed at birth and can affect one or both the globes[2].This developmental anomalymay appear either as an isolated finding or in association with other ocular and systemic abnormalities[3].T ...
... defect (coloboma) in the wall of a microphthalmic eye and are lined by a neuroectoderm[1,2].It is usually diagnosed at birth and can affect one or both the globes[2].This developmental anomalymay appear either as an isolated finding or in association with other ocular and systemic abnormalities[3].T ...