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types differential diagnosis signs and symptoms management etiologies principle color vision physiology neutralization introduction management and optometry roles dry eyes telescopes etiology epiphora hypersensitivity procedure management of color vision defect low vision notex gyrate atrophy classification xerophthalmia retinitis pigmentosa aphakia do's and dont's signature guides bold line copy different types of color vision defects special case fitting different from adult dispensing measurements down's syndrome frame selection strabismus pediatric dispensing syndromes albinism lens selection multipurpose solutions rigid contact lenses disinfection care and maintenance hydrogen peroxide principal points ypes of color vision defect interpretation color vision defects interpretation of color vision defect color vision process interpretation and management counseling dacryocystorhinostomy dacryocystitis antibiotics lacrimal sac massage probing syringing congenital watering optical devices high myopia non optical devices field enhancement noir filters writing guides prophylaxis typoscopes vitamin a deficiency nightbliness diagnosis treatment synechia slit lamp diagnostic and therapeutic uses and uses of differ different illumination techniques phlyctenular conjunctivitis giant papillary conjunctivitis perrenial conjunctivitis vernal keratoconjunctivitis investigations and low vision management optic atrophy antibody immunity antigen power thickness linear parameters edge profile aberration diameter contact lens verification dry eye ealuation invasive and non-invasive techniques mast cell stabilizers decongestants nsaids antihistamines strabismus types binocular vision-sensory anomaly lens power formula cardinal points nodal points focal points front and back vertex power thin and thick lenses dispensing for traffics responsibilties glasses and sungleasses options for traffics personal protective equipment traffic police potential hazards visual demands symptoms clpc signs casereport etiologigies management and vision tharapy diagnostic procedures suppression and ac- introduction suppression breakers stand magnifier handheld magnifier low vision devices-spectacle magnifier optometric management atopic keratoconjunctivitis abrasion binocular vision visual acuity introduction capstan form lens barrel lens form tyre form lenses transposition of prescription toric lenses cylindrical lenses concave lenses convex lenses spherical lenses funduscopy visual field screening tonometry slit lamp examination cover test extra ocular motility test vision screening optometric examination medical history systemic illness family history past illness present illness chief complaints reflecting prisms »å鳦±ð²Ô³Ù°ù²¹³Ù¾±´Ç²Ô 4 prism diopter test centrad prentice position maximum angle of deviation minimum angle of deviation prentice rule shields endpiece optyl nickel stainless steel aluminium titanium cellulose acetate temples fronts bridges frame materials frame parts exophthalmometry diplopia charting hess screen test sixth nerve palsy third nerve palsy extraocular motility paralysis y pattern x pattern v pattern a pattern paralytic deviation fourth nerve palsy non paralytic deviation incomitant deviation snellen's chart jeager's chart log mar charts near and distance visual acuity charts notation types of polarization polarization aspects of vision loss classification of visual impairment functional effect of vision loss history taking in low vision blindness icd-10 common causes of visual impairment safety hazards stimulated emission spontaneous emission absorption applications in ophthalmology production of laser principle of laser laser keratoconus kissing piegon pattern bowtie pattern doubling extended keratometry keratoscopy corneal topography-techniques and procedures placido disc corneal topography keratometry cornea- anatomy inheritance of color vision defect color opponent theory trichromatic theory different testing procedures prism optics prism parts spectacle magnification projection magnification relative size magnification relative distance magnification isoaccommodative accommodation nominal magnification angular magnification linear magnification in low vision indirect ophthalmoscopes and slit lamps uses in optical instruments like direct ophthalmos uses in optical instruments like microscopes clinical uses definition magnification red sunset blue sky scaterring reflection birefringence dichorism ophthalmic uses of polarization precautions with polarizing sunglasses malus law brewster's angle unpolarized lights e-rays o- rays applications of polarization mechanisms to produce polarization