Clinical Atlas of Canine and Feline Ophthalmic Disease

Douglas W. Esson, BVSc, MRCVS, DVM, DACVO, is a board-certified veterinary ophthalmologist and clinical director at Eye Care for Animals in Tustin, California, USA.

Preface ix Acknowledgments xi Section 1. Anatomy and Diagnostics 1 Chapter 1. Normal Ocular Anatomy 2 Chapter 2. Normal Pigmentary Variations 4 Chapter 3. The Normal Canine Fundus 6 Chapter 4. The Normal Feline Fundus 8 Chapter 5. The Normal Subalbinotic Fundus 10 Chapter 6. Normal Myelination Variations 12 Chapter 7. The Ocular Examination 14 Section 2. Diseases of the Eyelids 17 Chapter 8. Eyelid Agenesis 18 Chapter 9. Eyelid Laceration 20 Chapter 10. Distichiasis 22 Chapter 11. Ectopic Cilia 24 Chapter 12. Trichiasis 26 Chapter 13. Tear FilmWicking Syndrome 28 Chapter 14. Entropion 30 Chapter 15. Ectropion 32 Chapter 16. Combined Entropion-Ectropion 34 Chapter 17. Macropalpebral Fissure 36 Chapter 18. Chalazion 38 Chapter 19. Juvenile Pyoderma 40 Chapter 20. Immune-Mediated Blepharoconjunctivitis 42 Chapter 21. Autoimmune Blepharitis 44 Chapter 22. Eosinophilic Folliculitis/Furunculosis 46 Chapter 23. Adverse Drug Reactions (ADRs) 48 Chapter 24. Dermatomyositis 50 Chapter 25. Demodex-Associated Blepharitis 52 Chapter 26. Dermatophytosis 54 Chapter 27. Radiation Induced Blepharoconjunctivitis 56 Chapter 28. Apocrine Hidrocystoma 58 Chapter 29. Sebaceous Adenoma/Epithelioma 60 Chapter 30. Histiocytoma 62 Chapter 31. Eyelid Melanocytoma 64 Chapter 32. Eyelid Melanoma 66 Chapter 33. Cutaneous Epitheliotropic Lymphoma (CEL) 68 Chapter 34. Eyelid Squamous Cell Carcinoma (SCC) 70 Chapter 35. Mast Cell Tumor (MCT) 72 Chapter 36. Fibrosarcoma 74 Section 3. Diseases of the Conjunctiva, Nasolacrimal System, and Third Eyelid 77 Chapter 37. Allergic Conjunctivitis 78 Chapter 38. Dacryocystitis 80 Chapter 39. Symblepharon 82 Chapter 40. Herpesviral-Associated Conjunctivitis 84 Chapter 41. Third Eyelid Gland Prolapse (Cherry Eye) 86 Chapter 42. Keratoconjunctivitis Sicca (Dry Eye) 88 Chapter 43. ScrolledThird Eyelid Cartilage 90 Chapter 44. Medial Canthal Pocket Syndrome 92 Chapter 45. Onchocerciasis 94 Chapter 46. Thelazia 96 Chapter 47. Papilloma 98 Chapter 48. Conjunctival Melanoma 100 Chapter 49. Conjunctival Hemangioma/Hemangiosarcoma 102 Chapter 50. Adenoma/Adenocarcinoma 104 Chapter 51. Conjunctival Lymphoma 106 Chapter 52. Conjunctival squamous Cell Carcinoma 108 Section 4. Corneoscleral Disease 111 Chapter 53. Dermoid 112 Chapter 54. Corneal Dystrophy 114 Chapter 55. Corneal Degeneration 116 Chapter 56. Corneal Endothelial Decompensation 118 Chapter 57. Scleritis 120 Chapter 58. Nodular Granulomatous Episcleritis 122 Chapter 59. Chronic Superficial Keratitis (CSK) 124 Chapter 60. Eosinophilic Keratoconjunctivitis 126 Chapter 61. Herpesviral-Associated Keratitis 128 Chapter 62. Canine Multifocal Immune-Mediated Punctate Keratitis (MIPK) 130 Chapter 63. Endotheliitis 132 Chapter 64. Bullous Keratopathy 134 Chapter 65. Feline Corneal Sequestrum 136 Chapter 66. Pigmentary Keratitis 138 Chapter 67. Corneal Abscessation 140 Chapter 68. Corneal Hemorrhage 142 Chapter 69. Corneoscleral Laceration 144 Chapter 70. Spontaneous Chronic Corneal Epithelial Defects (SCCEDs) 146 Chapter 71. Stromal Ulcerative Keratitis 148 Chapter 72. Descemetocele 150 Chapter 73. Keratomalacia (Melting Ulcers) 152 Chapter 74. Corneal Perforation 154 Chapter 75. Epithelial Inclusion Cysts 156 Chapter 76. Corneal Foreign Body 158 Chapter 77. Limbal Melanocytoma 160 Chapter 78. Fungal Keratitis 162 Chapter 79. Corneoscleral Hemangioma/Hemangiosarcoma 164 Chapter 80. Corneoscleral Lymphoma 166 Chapter 81. Corneal Squamous Cell Carcinoma 168 Section 5. Diseases of the Uvea 171 Chapter 82. Persistent Pupillary Membranes (PPMs) 172 Chapter 83. Iris Colobomas 174 Chapter 84. Senile Iris Atrophy 176 Chapter 85. Uveal Cysts 178 Chapter 86. Merle Ocular Dysgenesis (MOD) 180 Chapter 87. Feline Anterior Uveitis 182 Chapter 88. Canine Anterior Uveitis 184 Chapter 89. Golden Retriever Associated Uveitis and Glaucoma 186 Chapter 90. Vaccine-Associated Uveitis 188 Chapter 91. Uveodermatologic Syndrome (UDS)-Associated Uveitis 190 Chapter 92. Hyphema 192 Chapter 93. Aqueous Lipidosis 194 Chapter 94. Iris Bombe 196 Chapter 95. Feline Iris Melanosis (FIM) 198 Chapter 96. Uveal Melanoma 200 Chapter 97. Uveal Adenoma/Adenocarcinoma 202 Chapter 98. Uveal Lymphoma 204 Section 6. Diseases of the Lens 207 Chapter 99. Microphakia/Spherophakia 208 Chapter 100. Persistent Hyaloid Vasculature (PHV) 210 Chapter 101. Nuclear Sclerosis 212 Chapter 102. Immature Cataract 214 Chapter 103. Mature Cataract 216 Chapter 104. Hypermature Cataract 218 Chapter 105. Phacolytic Uveitis 220 Chapter 106. Phacoclastic Uveitis 222 Chapter 107. Anterior Lens Luxation 224 Chapter 108. Posterior Lens Luxation 226 Chapter 109. Feline Post-Traumatic Ocular Sarcoma 228 Section 7. Vitreoretinal Disease 231 Chapter 110. The Retinal Dysplasias (RDs) 232 Chapter 111. Oculoskeletal Dysplasia (OSD) 234 Chapter 112. Collie Eye Anomaly (CEA) 236 Chapter 113. The Retinal Atrophies (RAs) 238 Chapter 114. Vitreal Degeneration/Herniation 240 Chapter 115. Retinal Toxicity 242 Chapter 116. SARDs/IMR 244 Chapter 117. Hypertensive Retinopathy 246 Chapter 118. Feline Chorioretinitis 248 Chapter 119. Canine Chorioretinitis 250 Chapter 120. Retinal Pigment Epithelial Dystrophy (RPED) 252 Chapter 121. Uveodermatologic Syndrome (UDS)-Associated Chorioretinitis 254 Chapter 122. Primary (Bullous) Retinal Detachment 256 Chapter 123. Rhegmatogenous Retinal Detachment (RRD) 258 Chapter 124. Chorioretinal Lymphoma 260 Chapter 125. Myeloma 262 Section 8. Diseases of the Globe and Orbit 265 Chapter 126. Microphthalmia 266 Chapter 127. Phthisis Bulbus 268 Chapter 128. Orbital Cellulitis 270 Chapter 129. Extraocular Myositis (EOM) 272 Chapter 130. Zygomatic Sialoadenitis 274 Chapter 131. Orbital Fat Pad Prolapse 276 Chapter 132. Orbital Foreign Bodies 278 Chapter 133. Endophthalmitis/Panophthalmitis 280 Chapter 134. Proptosis of the Globe 282 Chapter 135. Peripheral Nerve Sheath Tumor (PNST) 284 Chapter 136. Retrobulbar Neoplasia 286 Section 9. The Glaucomas 289 Chapter 137. Congenital Glaucoma 290 Chapter 138. Primary Glaucoma 292 Chapter 139. Secondary (Postinflammatory) Glaucoma 294 Chapter 140. Feline Aqueous Humor Misdirection Syndrome (AHMS) 296 Chapter 141. Pigmentary Glaucoma 298 Chapter 142. Golden Retriever-Associated Uveitis and Glaucoma 300 Chapter 143. Buphthalmos 302 Section 10. Neuro-Ophthalmic Disease 305 Chapter 144. Optic Nerve Hypoplasia 306 Chapter 145. Lysosomal Storage Disease (LSD) 308 Chapter 146. Sympathetic Denervation (Horner s Syndrome) 310 Chapter 147. Ophthalmoplegia 312 Chapter 148. Neuroparalytic Keratitis/Hemifacial Paralysis 314 Chapter 149. Neurogenic KCS and Xeromycteria 316 Chapter 150. Optic Neuritis/Meningitis 318 Index 321