bella226
Age: 42
Joined: 27 Feb 2012
Posts: 4
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First, examines the shade microscopic exam shade law 1 optics with examine the shade method principle: 1st, the photo source and the eyeground are illuminated the area the relational 2, plane mirror migration and the photo source oakley polarized sunglasses migration relations 3, the eyeground Treats as the photo source according to the area pellucida 4, to examine the shade law with to regard the distant point 5, points of inversion the definitions before 2 examines the shade the preparation: 1 needs to examine the eyes matches the mirror to have the following personnel: 1 nearsightedness and hyperopia or astigmatism's patient to promote the vision.
2 hyperopia and astigmatism's patient to relieve the asthenopia symptom; 3 to prevent the nearsightedness and abandon with the lazy eyes eye continues the development; 4 adjustment swiveleye child; 5 for must match the bifocus birefringence eyeglasses' senior citizen; 6 cataract technique latter three month-long patient and so on. 2 choices are suitable in the optometry patient: Doctor oakley active sunglasses wants the above request optometry person, the overall check both eyes' situation including hyperopia strength, shortsighted strength, to try lens' vision, adjusts near-point, cornea, crystalline lens, vitreous body, inspections and so on eyeground and intraocular pressure, whether there is especially can pay attention to the cornea opacitas scar, the vitreous body pollution, nystagmus, the swiveleye and the lazy eyes and so on, before making the optometry, to know fairly well.
3 mydriatics choices: below 12 years old child, with 1% atropine eye water, daily three times, before the optometry, drops three days later continuously only then examines the shade. above 12 years old available Tropine card amine eye Shui Huomei multi-Li - P water, every 10 minutes one time, altogether 3~4 times, 1 hour later only then examines the shade. 3 examines the shade operating procedure: The inspector in a meter distance, sits facing the patient, the patient puts on tries the picture frame, must place the frame circle center is examined the shade eye pupil center. Another one uses the black piece to block from at present, lets the patient eye gaze examine on cheap oakley sunglasses for sale the shade mirror this plain eyeglasses upper limb. Then injects the photo source patient's pupil area, from examines the shade mirror central eyelet the behind to peep at the patient pupil's reflection, and upward under or about slightly and rotates slowly examines the shade mirror, this time obviously red decadent or faint yellow reflects the light in the pupil area migration. If the pupil reflection travel direction with examines shade mirror rotation direction same to be called along moves, is the direct positive which the eyeground saw likely; If the two travel direction opposite is a reverse motion, what is the eyeground saw likely is a reversed image.
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