Related by context. All words. (Click for frequent words.) 64 ataxic 62 sarcoids 62 navicular disease 62 colic diarrhea 61 recumbency 61 dreaded laminitis 61 equine protozoal myeloencephalitis EPM 61 gastric ulceration 61 Hyperthyroidism 61 abnormal gait 61 incoordination 60 guttural pouch 60 excessive salivation 60 ataxia incoordination 59 entropion 59 torticollis 59 EIPH 59 myoclonus 59 neurologic deficits 59 tetany 59 bulbar 59 muscle rigidity 59 neurologic symptoms 59 myectomy 58 paresis 58 stridor 58 exertional rhabdomyolysis 58 hypotonia 58 HYPP 58 ulcerated lesions 58 postural hypotension 58 parkinsonian 58 Lameness 58 crepitus 58 Hoarseness 58 cyanosis 57 volvulus 57 hyperhydrosis 57 dystocia 57 psychomotor agitation 57 inherited retinal degeneration 57 muscle twitching 57 Nasal polyps 57 droopy ears 57 gastric distention 57 bleedings 57 enlarged adenoids 57 Diverticulosis 57 navicular syndrome 57 nasal stuffiness 57 polycystic ovarian disease 57 arrhythmogenic right 57 tremors convulsions 57 mitral stenosis 57 twisted bowel 57 lichen planus 57 syringomyelia 57 Nausea vomiting 57 arthrosis 57 lameness 56 obstructive sleep 56 muscle aches fatigue 56 facial palsy 56 akinesia 56 dizziness lightheadedness 56 tremor rigidity 56 disordered breathing 56 cough wheezing 56 Essential tremor 56 cerebellar hypoplasia 56 impaction colic 56 nasal blockage 56 fungoides 56 overgrown hooves 56 ventricular dilation 56 stereotypies 56 cortical dysplasia 56 aortic regurgitation 56 laminitic 56 epistaxis 56 Eisenmenger syndrome 56 laryngospasm 56 myelopathy 56 Lesch Nyhan syndrome 56 placentitis 56 laminitic horses 56 lordosis 55 Atrial flutter 55 Cleft palate 55 mucocutaneous 55 sustained muscle contractions 55 dysphonia 55 Bronchiolitis 55 pulmonary hemorrhage 55 gastro esophageal reflux 55 osteochondrosis 55 polyuria 55 hiatal hernias 55 excessive panting 55 fatty infiltration 55 fibromatosis 55 endometritis 55 pulmonary haemorrhage 55 hypoxemia 55 muscle degeneration 55 septicemic 55 dermatologic reactions 55 headache nausea fatigue 55 nasal discharges 55 Optic nerve 55 wobbly gait 55 Plantar warts 55 tachypnea 55 intestinal blockages 55 carpus 55 anatomical abnormalities 55 Cluster headaches 55 swayback 55 subarachnoid haemorrhage 55 hindlimb 55 gait abnormalities 55 heart palpitations dizziness 55 bullous pemphigoid 55 abnormal heartbeats 55 intestinal ulcers 55 atelectasis 55 profuse watery diarrhea 54 involuntary tics 54 Pericarditis 54 discoid lupus 54 Bruxism 54 Allergic conjunctivitis 54 cramping abdominal pain 54 tremors rigidity 54 Vitamin B# deficiency 54 Leber hereditary optic neuropathy 54 jerky movements 54 dystrophic 54 myalgias 54 stumbling gait 54 hypersalivation 54 postural instability 54 blindness paralysis 54 Acid reflux 54 motor neuropathy 54 fever headache fatigue 54 bony growths 54 Hypertrophic 54 tremors slowness 54 characteristic whooping 54 idiopathic cardiomyopathy 54 Muscle cramps 54 Urinary tract 54 paresthesias 54 hives itching 54 Mitral regurgitation 54 somnolence sedation 54 tapeworm infection 54 irritation redness 54 extrapyramidal 54 metritis 54 airway hyper reactivity 54 Vomiting diarrhea 54 nausea diarrhea fatigue 54 postsurgical 54 ventricular tachycardia VT 54 neurological degeneration 54 bowed tendons 54 nausea vomiting cramps 54 jerking movements 54 rhinorrhea 54 iritis 54 euthanatized 54 tonic clonic seizures 54 meningeal 54 thrombophlebitis 54 phonic tics 54 nausea diarrhea constipation 54 involuntary muscle spasms 54 motor tics 54 hyperreflexia 54 BRONCO ® 54 cystic lesions 54 oral thrush 54 generalized dystonia 54 Raynaud disease 54 autoimmune thyroiditis 54 syndrome OSAS 54 prolapses 54 vasovagal syncope 54 Fibroid tumors 54 pericardial effusions 54 Canker sores 54 vomiting constipation 54 dactylitis 54 extreme mood swings 53 Obstructive sleep apnea OSA 53 Carpal tunnel 53 Chronic constipation 53 bony protrusions 53 limb deformities 53 involuntary muscle contractions 53 cholestasis 53 cervical spondylosis 53 seborrhea 53 vomiting nausea diarrhea 53 muscular degeneration 53 Herniated discs 53 GERD gastroesophageal reflux disease 53 endotoxemia 53 gastro oesophageal reflux 53 coughing spasms 53 pseudogout 53 fatal neurodegenerative disorder 53 anterior uveitis 53 retinal detachments 53 Raynaud phenomenon 53 Critical limb ischemia 53 excessive drooling 53 edema swelling 53 ganglion cysts 53 stupor coma 53 muscle wastage 53 supraventricular tachycardia 53 ataxias 53 nasopharyngitis headache 53 estrous cycle 53 Wernicke encephalopathy 53 Ventricular Tachycardia 53 basal cell cancers 53 hiatus hernia 53 myotonia 53 dominantly inherited 53 Aortic stenosis 53 condylar fracture 53 nerve entrapment 53 cauda equina syndrome 53 anaphylaxis angioedema 53 receiving XGEVA 53 erythema nodosum 53 thirst frequent urination 53 Cellulitis 53 toxic megacolon 53 orchitis 53 hemiparesis 53 hereditary degenerative 53 hyper excitability 53 nausea vomiting dizziness 53 Abdominal pain 53 lactic acid buildup 53 airway passages 53 aches nausea 53 neurologic complications 53 diarrhea headache nausea 53 worm infestations 53 nausea vomiting headache 53 thyroid dysfunction 53 involuntary twitching 53 headaches nausea vomiting 53 constipation nausea 53 convulsive seizures 53 skin inflammations 53 Palpitations 53 Bacterial conjunctivitis 53 tremors stiffness 53 Delayed Onset Muscle Soreness 53 paroxysmal supraventricular tachycardia 53 Temporomandibular Joint 53 exertional dyspnea 53 osteopetrosis 53 Intussusception 53 septic arthritis 53 elbow dysplasia 53 hyperresponsiveness 53 neuritic 53 pruritic 53 nasal discharge 53 laryngeal 53 undescended testicle 53 bowed tendon 53 chronic degenerative 53 dissecans 53 nausea headache dizziness 53 spondylosis 53 myalgic encephalomyelitis ME 53 involuntary spasm 53 dermopathy 53 muscles tendons ligaments 53 muscular stiffness 53 hyperkeratosis 52 muscular rigidity 52 Proteus syndrome 52 vulval 52 Urinary tract infections 52 Benign Paroxysmal Positional Vertigo 52 sinus node 52 Von Willebrand disease 52 acute myocarditis 52 include tremors slowness 52 arrhythmogenic 52 itching sneezing 52 facial grimacing 52 cystic fibrosis chronic pancreatitis 52 Morton Neuroma 52 uremia 52 headaches nausea diarrhea 52 hydatid disease 52 hoof abscess 52 bradykinesia 52 shuffling gait 52 sore throat runny nose 52 cholangitis 52 coagulopathy 52 headaches fevers 52 coronary occlusion 52 uncontrollable tremors 52 constipation bloating 52 upper airway obstruction 52 kyphosis 52 mange mites 52 abcesses 52 myotonic 52 Parkinsonism 52 tricuspid regurgitation 52 optic atrophy 52 Apnoea 52 hydrops 52 behavioral abnormalities 52 granulomatous 52 laryngeal paralysis 52 bucked shins 52 vertigo dizziness 52 tissue necrosis 52 fever diarrhea vomiting 52 patella femoral 52 baggy eyelids 52 radiographic findings 52 atrophic 52 throbbing headaches 52 sores blisters 52 labyrinthitis 52 prolapsed 52 thrombocytopenia neutropenia 52 tendonitis bursitis 52 variant angina 52 palpating 52 ligamentous 52 sleep bruxism 52 Sandhoff disease 52 myocarditis inflammation 52 Nasal allergies 52 fatigue nausea vomiting 52 painful muscle spasms 52 lipomas 52 bone deformities 52 dystonic 52 inflammatory bowel 52 hyperflexion 52 condylar fractures 52 cardio myopathy 52 pulmonary fibrosis scarring 52 Varicose veins 52 bronchial passages 52 brands FARNAM ® 52 fat malabsorption 52 hyperexcitability 52 muscle cramping 52 autonomic dysfunction 52 Idiopathic pulmonary fibrosis IPF 52 fatal neuromuscular disorder 52 thyroid hormone deficiency 52 dysmotility 52 convulsions coma 52 TMJ disorder 52 dystonias 52 erysipelas 52 bloating nausea 52 gouty 52 impaired cognition 52 Spasticity 52 intervertebral discs 52 tics involuntary 52 Myasthenia 52 pituitary tumors 52 bullous 52 thyrotoxicosis 52 dystrophy 52 headache dizziness nausea 52 fetlock joint 52 Sleep disturbances 52 femoroacetabular impingement 52 muscular spasticity 52 light headedness dizziness 52 colic 52 encephalitis meningitis 52 Ankylosing spondylitis 52 fibroma 52 BPPV 52 tertiary syphilis 52 Parkinson disease degenerative 52 elephant herpesvirus 52 chronic autoimmune disorder 52 aortic valve stenosis 52 patellar dislocation 52 abnormal sensations 52 fever headache nausea 52 vomiting abdominal pain 52 urethral stricture 52 amusia 52 keloid scars 52 Bladder stones 52 Pulmonary hypertension 52 polymyalgia rheumatica 52 distended abdomen 52 hemodynamic instability 52 Diabetic neuropathy 52 mucus glands 52 R. equi 52 Muscle spasms 52 myopathies 52 Iron deficiency anemia 51 airway narrowing 51 neuro muscular 51 nettle rash 51 blindness deafness 51 osteochondritis dissecans 51 pseudotumor cerebri 51 cortical blindness 51 abdominal tenderness 51 myoclonic epilepsy 51 Acute pancreatitis 51 Bedbug bites 51 coma convulsions 51 predisposing factor 51 hyperpyrexia 51 obstructive coronary 51 gastric torsion 51 rheumatic disease 51 respiratory insufficiency 51 Cardiac arrhythmias 51 ANCA associated 51 pyometra 51 fatigue skin rashes 51 vomiting drowsiness 51 runny nose irritated 51 paresthesia 51 neurological disorder characterized 51 pasterns 51 giant cell arteritis 51 heartburn indigestion 51 WNV encephalitis 51 soft palate 51 phlebitis 51 bowel bladder 51 spinal stenosis degenerative disc 51 bone deformity 51 congenital diaphragmatic hernia 51 dysmorphic features 51 arthritis gout 51 tricuspid atresia 51 fetlocks 51 hind paw 51 enlarged tonsils 51 generalized epilepsy 51 dysarthria 51 valvular disease 51 schwannoma 51 obstructed airways 51 nerve palsy 51 Pernicious anemia 51 muscle spasticity 51 intercranial pressure 51 uncontrollable shaking 51 physiological abnormalities 51 levodopa induced 51 thoracic aortic aneurysm 51 Shy Drager syndrome 51 nausea vomiting constipation 51 mesenteric ischemia 51 ischemic mitral regurgitation 51 stomach cramps vomiting 51 pimples boils 51 situs inversus 51 neurocysticercosis 51 chronic venous insufficiency 51 Myocarditis 51 cryptorchid 51 progressive degeneration 51 temporomandibular joint TMJ 51 nerve degeneration 51 Ventricular fibrillation 51 Sudden onset 51 esophageal lining 51 esophageal reflux 51 trachea windpipe 51 sporadic Creutzfeldt Jakob 51 postnasal drip 51 impingement syndrome 51 tarsal tunnel 51 respiratory gastrointestinal 51 Shin splints 51 Charcot foot 51 ptosis 51 rash urticaria 51 fever headaches nausea 51 valvular heart disease 51 body dysmorphic 51 hallux limitus 51 hyperammonemia 51 anhidrosis 51 neurological manifestations 51 inappropriate antidiuretic hormone SIADH 51 dizziness nausea vomiting 51 vasovagal 51 phthalate syndrome 51 itching rashes 51 incurable neurological disorder 51 obstructive airway disease 51 embryonal rhabdomyosarcoma 51 unsightly veins 51 skin abscesses 51 disc herniations 51 embolic stroke 51 Skin lesions 51 optic neuropathy 51 intercranial 51 palpated 51 hemiplegia 51 newborn foal 51 cardiac fibrosis 51 Peruvian Paso 51 intestinal obstructions 51 Brugada Syndrome 51 colds allergies 51 scrofula 51 Prion diseases 51 Hutchinson Gilford progeria 51 wheezing breathlessness chest 51 cardiac tamponade 51 arthropathy 51 neuritis 51 abdominal distension 51 Hip dysplasia 51 mdx mice 51 hind limb 51 benign positional vertigo 51 Degenerative 51 insomnia dizziness 51 Genital warts 51 Chronic pancreatitis 51 Compartment syndrome 51 hypermobility 51 lethal arrhythmias 51 Grass tetany 51 rhabdomyosarcoma rare 51 valve regurgitation 51 disc prolapse 51 inflamed airways 51 Excessive sweating 51 disseminated intravascular coagulation DIC 51 Peripheral neuropathy 51 hyperhidrosis excessive sweating 51 osteochondritis 51 robs sufferers 51 Korsakoff 51 diaphragmatic 51 sensory disturbances 51 skeletal deformities 51 Degenerative disc disease 51 facial twitches 51 mental retardation epilepsy 51 Cushing syndrome 51 muscle aches headache 51 leukoencephalopathy 51 nausea constipation 51 somnolence fatigue 51 cerebral thrombosis 51 cramps diarrhea 51 hemorrhagic colitis 51 hypogonadotropic hypogonadism 51 cold clammy skin 51 bullae 51 dysplasias 51 stereotypic behavior 51 hyperacusis 51 Regurgitation 51 excessive urination 51 vein thrombosis 51 resolves spontaneously 51 artery stenosis 51 fulminant 51 menopause andropause 51 acute colitis 51 torsade de pointes 51 rheumatic disorders 51 Avascular necrosis 51 Irritable bowel syndrome 51 abdominal pain vomiting 51 thunderclap headache 51 parkinsonism 51 polyneuropathy 51 extrapyramidal symptoms EPS 51 Parkinsonian 51 infantile hemangiomas 51 deafness neurological 51 Obstructive sleep apnea 51 necrotizing 50 herpetic 50 subcutaneous emphysema 50 paralysis blindness 50 runny eyes 50 Abscesses 50 meningitis encephalitis 50 Crouzon Syndrome 50 polymyalgia 50 abdominal pain vomiting diarrhea 50 equine lameness 50 tendinitis bursitis 50 paraneoplastic 50 airflow limitation 50 hypomanic episode 50 Churg Strauss syndrome 50 headaches muscle aches 50 benign paroxysmal positional vertigo 50 achromatopsia 50 infective endocarditis 50 diverticula 50 Spasms 50 pinworms 50 idiopathic generalized epilepsy 50 allergic dermatitis 50 epiglottis 50 fever headache sore throat 50 tremor slowness 50 flexor tendons 50 heart valve stenosis 50 myofascial pain syndrome 50 dysautonomia 50 acute subdural hematoma 50 interstitial pulmonary fibrosis 50 tonic clonic seizure 50 PCOD 50 coughing difficulty swallowing 50 flaccid paralysis 50 aortas 50 hypercalcaemia 50 repetitive stereotyped 50 epigastric 50 Sciatica 50 spasmodic dysphonia 50 bodywide 50 diarrhea cramping 50 hallux rigidus 50 proliferative diabetic retinopathy 50 airway collapses 50 ulcerate 50 thoracentesis 50 retinal haemorrhage 50 Osgood Schlatter 50 pain redness swelling 50 labral tears 50 aortic insufficiency 50 Dysplasia 50 fractured sesamoid 50 pyloric stenosis 50 bursae 50 drowsiness nausea 50 Progressive Multifocal Leukoencephalopathy PML 50 idiopathic epilepsy 50 detached retinas 50 hypoactive 50 palpitations sweating 50 hyperalgesia 50 fever vomiting diarrhea 50 paraesthesia 50 surgeon Larry Bramlage 50 lungworm 50 retinal dystrophy 50 laminitis painful 50 aneurisms 50 Sleep apnea occurs 50 nasal obstruction 50 underarm sweating 50 stereotypy 50 footrot 50 obliterative bronchiolitis 50 transfusion syndrome 50 tachycardia 50 rheumatological 50 rhythm disturbances 50 Myasthenia gravis 50 dizziness numbness 50 degenerative neurological 50 luxation 50 ligamentous laxity 50 tonic clonic 50 fevers vomiting 50 hyperacidity 50 ichthyosis vulgaris 50 vaginal yeast infections 50 fever headache muscle aches 50 rectal prolapse 50 Migraine headaches 50 cardiac arrhythmia abnormal 50 congential 50 mental retardation blindness 50 autonomic neuropathy 50 neighing 50 generalized tonic clonic seizures 50 hypocalcaemia 50 congenital deformity 50 urogenital tract 50 contagious equine metritis 50 profuse diarrhea 50 ischemic bowel 50 SIADH 50 emphysema COPD 50 coryza 50 neonatal respiratory distress 50 dermatomyositis 50 severe malignant osteopetrosis 50 progressive degenerative neurological 50 vertigo nausea 50 fever headache tiredness 50 breathlessness wheezing 50 liver abscesses 50 fulminant hepatitis 50 sores ulcers 50 vomiting bloody diarrhea 50 fever skin rashes 50 Arrhythmogenic Right Ventricular Cardiomyopathy 50 cramping diarrhea 50 neurofibromas 50 Magnesium deficiency 50 hypovolemic shock 50 paragangliomas 50 flea bites 50 variable immunodeficiency 50 suspensory ligament injury 50 retinal degeneration 50 locomotor activity 50 Scheuermann kyphosis 50 congenital disorders 50 muscular contractions 50 Subdural hematoma 50 swelling stiffness 50 pain swelling redness 50 exotropia 50 lethargy vomiting 50 Ulcers 50 dysphasia 50 headache tiredness 50 pulmonary artery hypertension 50 involuntary movements 50 palpitations shortness 50 corneal opacity 50 diabetes insipidus 50 cirrhotic liver 50 meniscal tears 50 dyskeratosis congenita 50 hip dysplasia 50 progressive neurologic 50 calf scours 50 Bone metastases 50 Hypotension 50 sneezing nasal congestion 50 rashes hives 50 Streptococcus equi 50 premarin 50 infarcts 50 microtrauma 50 irritative 50 Cancerous tumors 50 swallowing reflex 50 psychomotor retardation 50 sacroiliac 50 spinal misalignment 50 lumbosacral 50 Cold sores 50 meningitis encephalitis pulmonary edema 50 degenerated discs 50 anatomic structures 50 airway obstructions 50 neutropenia thrombocytopenia 50 derangements 50 electrolyte imbalances 50 Stargardt Macular Dystrophy 50 lumbar spinal 50 Sarcopenia 50 hypokalemia hypomagnesemia 50 developmental abnormalities 50 Retinal detachment 50 upper respiratory ailments 50 immunocompetent 50 penile fibrosis 50 macular disease 50 PCNSL 50 itching redness 49 deformed limbs 49 Lupus nephritis 49 enlarged livers 49 ventricular fibrillation 49 synovitis 49 adenoid 49 ocular discomfort 49 dizziness disorientation 49 autosomal dominant polycystic kidney 49 ventricular fibrillation VF 49 torsades de pointes 49 indigestion heartburn 49 lumbar disk herniation 49 #q# deletion syndrome 49 Atherosclerotic 49 Nasal congestion 49 Tachycardia 49 spastic cerebral palsy 49 muscle hypertrophy 49 inherited neurological disorder 49 Barrett esophagus precancerous 49 hypoxic brain 49 cardiovascular endocrine 49 abdominal bloating 49 involuntary spasms 49 intracranial haemorrhage 49 stiffness slowness 49 Excruciating pain 49 atresia 49 muscular dystrophy cystic fibrosis 49 pineal 49 Lactose intolerance 49 dizziness slurred speech 49 muscle twitches 49 Gall bladder 49 dysrhythmias 49 dizziness blurred vision 49 pharmacologically induced 49 progressive neurodegenerative disorder 49 styes 49 Ireland Lantinus ridden 49 inflamed gums 49 cerebral ischemia 49 paroxysmal 49 rumen acidosis 49 polydipsia 49 eosinophilic 49 cerebral infarction 49 neurological symptoms 49 fevers chills 49 galactosemia 49 profuse sweating 49 purulent discharge 49 systemic autoimmune 49 Amyotrophic lateral sclerosis 49 headaches stomach cramps 49 coccidia 49 motor neuron degeneration 49 headaches dizzy spells 49 hindquarter 49 abscesses 49 urinary blockage 49 gastroduodenal 49 neuro degenerative disorder 49 wheezing coughing 49 Breathlessness 49 rash hives 49 carpal 49 involuntary jerking 49 pain numbness tingling 49 bones joints 49 stooped posture 49 hormonal disorder 49 peroneal 49 radiculopathy 49 fever chills fatigue 49 juvenile myoclonic epilepsy 49 Hashimoto thyroiditis 49 airway irritation 49 Sore throats 49 cardiomyopathies 49 hemorrhagic pancreatitis 49 prematurity ROP 49 sensorineural hearing loss 49 lipoma 49 tooth decay gum 49 myoclonic seizures 49 hooves 49 endoscopic examination 49 silvery scales 49 heartburn regurgitation 49 fatigue headache nausea 49 nonspecific symptoms 49 tiredness irritability 49 brain malformation 49 cardiomegaly 49 striated muscle 49 Raynaud syndrome 49 stereotypic behaviors 49 ataxia 49 CP CPPS 49 gastric reflux 49 involuntary contractions 49 Premature ejaculation 49 disfiguring scars 49 causes diarrhea cramping 49 Acute sinusitis 49 fatal anaphylactic 49 Hernias 49 vertebral subluxation 49 hormonal abnormalities 49 holoprosencephaly 49 airway hyperresponsiveness 49 Cardiac arrhythmia 49 fever swollen glands 49 neurological dysfunction 49 umbilical hernias 49 narcolepsy sleep apnea 49 neurosensory 49 overuse syndromes 49 Plantar fasciitis 49 nystagmus 49 oozing sores 49 physis 49 NSAID induced 49 lactase deficiency 49 narrowed airways 49 oro facial 49 headache muscle aches 49 Laryngeal 49 diarrhea constipation 49 demyelinating disease 49 red itchy rash 49 itchy runny nose 49 severe obstructive pulmonary 49 whinnies 49 hypertrophic cardiomyopathy HCM 49 insomnia irritability 49 lupus scleroderma 49 urinary leakage 49 Urge incontinence 49 Calluses 49 pattern baldness 49 Rotavirus infection 49 obsessive compulsive behaviors 49 bruxism 49 vomiting diarrhea fever 49 cardiac conduction 49 palpitation 49 cerebral atrophy 49 septums 49 angina chest 49 Hypothyroidism 49 Trigeminal neuralgia 49 pulmonary contusions 49 hypoventilation 49 inflamed tissues 49 lurching gait 49 Cheyne Stokes 49 LVNC 49 postural stability 49 lateral curvature 49 tuberculous 49 inhale vomit 49 tibial fracture 49 spastic paraplegia 49 Ankylosing Spondylitis AS 49 Valsalva maneuver 49 Chronic cough 49 sleep apneas 49 cervical degenerative disc 49 neurology cardiovascular GIT 49 Myofascial pain 49 tenosynovitis 49 malperfusion 49 atopic dermatitis AD 49 Hendra virus infection 49 choroidal neovascularization 49 osteoarthritic 49 gut motility 49 carcinoid tumor 49 pustular 49 polycystic ovarian syndrome PCOS 49 erratic mood swings 49 Cerebellar 49 noxious stimuli 49 enterocolitis 49 aches headaches 49 genetic syndromes 49 hypertrophic 49 fibrous dysplasia 49 neuropsychiatric disorder 49 discogenic 49 pruritus rash 49 temporomandibular joint disorder 49 Perthes disease 49 adrenal insufficiency 49 headaches drowsiness 49 daytime drowsiness 49 auditory cortices 49 deafness blindness