Tumors (cont.)
ultrasonographic evaluation of, 22 as uveitis cause, 181, 182
Tunica vasculosa, persistent hyperplastic, as cataract cause, 118
Ulcers, corneal
alkali burn-related, 208 cataract surgery-related, 127 in cats, 70
corneal degeneration-related, 37 corneal edema-related, 38 indolent, 39-45, 40, 42.43, 44
keratoconjunctivitis sicca-related, 57 nictitating membrane foreign body-related, 69 proptosis-related, 63
as "red eye" cause, 31-32, 32 Ultrasonography, 11,18-24
artifacts or false readings in, 23
A-scan differentiated from B-scan, 19-20, 19
for asteroid or synchysis bodies diagnosis, 282, 283 color Doppler, 12
for hypertensive retinal detachment evaluation, 278, 279
indications for, 14-15, 18 performance of, 18-19
preoperative, in cataract patients, 20, 20, 21 for uveitis diagnosis, 188
Ultrasound phacoemulsification, of cataracts, 120 short-term success rate of, 129
Uremia, as corneal lipid or calcium infiltration cause, 37
Uvea
anatomy of, 177 anterior, 177
melanocytic lesions of, 287 posterior, 177
Uveitis, 177-183, 177 anterior, 179, 181, 182
acute, 180
cataract surgery-related, 126--127 chronic, 180
clinical signs of, 184 definition of, 178 dyscoria-related, 136
ocular melanosis-related, 108 treatment for, 190
cataracts-related, 116
cataract surgery-related, 126--127, 128-129 chemical burn-related, 208
chronic, 180
clinical signs of, 179, 180 common causes of, 181-182
corticosteroid treatment for, 290--291 definition of, 177, 184
differentiated from glaucoma, 30--31 endophthalmitis-related, 222
engorged episcleral or scleral vessels associated with,30-31
foreign body-related, 213
as glaucoma cause, 32,78, 80, 83 hemorrhage associated with, 187, 218-219 as hyphema cause, 79
intracapsular intraocular lens-related, 122 intraocular tumor-related, 288, 289 lens-induced, 118
Uveitis (cont.)
as retinal detachment risk factor, 268, 271, 271 phacoclastic, 205, 206
phacolytic, 205-207, 205.206,207 pigmentary
in golden retrievers, 197-199 uveal cysts associated with, 300
posterior, 179, 181 clinical signs of, 184 definition of, 178
prognosis for vision in, 182 red blood cell leakage in, 186 as "red eye" cause, 25
systemic disease-related, 184-191 treatment for, 188, 189
toxoplasmosis-related, 200, 200.201,203-204 treatment for, 204
trauma-related, 207,214 ulcerative keratitis-related, 207
uveodermatologic syndrome-related, 192,193, 196 vitreous hemorrhage-related, 218-219
Uveodermatologic syndrome, 192-196 uveitis associated with, 185, 190
Uvula, 177
Vasculitis, as ocular hemorrhage cause, 214 Venography, orbital, 14
VER. See Visual evoked response Vermiform streaks. See Retinal dysplasia
Vidarabine monohydrate, as feline herpesvirus-related conjunctivitis treatment, 27
Viral infections. See also specific viral infections as uveitis cause, 181
Viscoelastic ("visco") material, use in intraocular surgery, 121, 125
Vision loss. See Blindness
Visual evoked cortical response (VEep). See Visual evoked response (VER)
Visual evoked response (VER), 5--{j Visual system, electrical activity of, l-6 Vitamin E deficiency, 229, 230
Vitamin supplementation, contraindication in progressive retinal atrophy, 246
Vitiligo, uveodermatologic syndrome-related, 192 Vitrectomy
pars plana, 271-272
as septic endophthalmitis treatment, 223 Vitreous
expansion of, cataract surgery-related, 125 liquefaction (syneresis) of, vitreous degeneration-re-
1ated,22
magnetic resonance imaging of, 16 persistent hyperplastic primary, 118, 273 "snow ball" opacities of, 281
synchysis scintillans of, 282, 285 Vitreous degeneration
cataract surgery-related, 129
as retinal detachment cause, 268, 271 vitreous liquefaction associated with, 22
Vitreous echoes, 22
Vogt-Koyanagi-Harada syndrome, 185, 190, 192,268
Wedge resection technique, 160,160, 162 Weimaraner, corneal dystrophy in, 35 Welsh corgi
progressive retinal atrophy in, genetic test for, 261
