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After chatting for a long time, Huang Shi Zhilu said that this young boss is called Lin Feng, now their family of four eats and lives in the store, he has a little sister in addition to his parents, the little sister is a doctor, and now his parents have gone to other places to buy goods, like them, the whole family can save the cost of labor, plus they are all purchased from Jiangsu, Guangdong and other glasses markets, and the sales price is naturally very cheap.

Lin Feng said that since the 90s of the last century, "buying glasses and going to the city gate" has become a habit for many Fuzhou people. He has been in the glasses business with his family since he was a child, and he is constantly busy delivering goods during the peak season, some to the county seat of Fuzhou, and some to other provinces. A pair of glasses can only earn a few dollars, and the wholesale business is small and quick turnover, and the business is also good. Unlike other stores, his relatives have opened optical stores in Shanghai and Jiangsu, and their uncle now has his own optical factory in Suzhou, so the cost is more advantageous.

"With the deepening of the humanization of optometry, in addition to the traditional comprehensive refractor, visual effect prediction equipment such as contrast sensitivity monitor, ocular structure detection equipment such as corneal topography, A ultrasound, etc. have begun to be applied to optometry." Lin Feng took a sip of water and then said to Lu Xia.

"When we open this optical store, the equipment is a big expense. This is also the biggest reason for the difference in the price of glasses in each of our stores."

"Of course, the more thoughtful our service, the more manpower and energy it will take, and this cost will also be counted in the price of glasses."

Then Lin Feng talked about the current formal medical optometry steps, including, eye health examination; Objective imaging and computer refraction are assisted, and the power of the old lens is checked to obtain accurate diopters, astigmatism and astigmatism axes; Refractive balance of both eyes, check the dominant eye, about 50% of the dominant eye is the left eye in the right-handed dominant person, and the dominant eye before and after wearing glasses must be consistent; Check the eye position, if there is an internal heterosis, the myopic eye is shallow, the hyperopic eye is slightly deeper, and if there is an external heteropia, the opposite is true; Accommodative measurement, accommodation refers to the ability to see objects at close range clearly, if the accommodative force is strong, the myopic eye must be shallow, the farsighted eye should be slightly deeper, if the accommodative force is weak, the opposite is true; Check the binocular vision function, measure the distance and proximity fusion force, and ensure that the eyes can be used in harmony after wearing glasses, especially when the power of the eyes is different, the binocular function must be evaluated; Accurately measure the pupillary distance, the pupillary distance refers to the distance between the binocular center, the distance between the distant pupil is greater than the near distance, and the binocular optical center is consistent with the optical center of the glasses, and the binocular monovision function is maintained.

"Oh, I see, I don't know that there are so many ways here, I saw some store sales staff in front of me, saying that their instruments and equipment have 4 or 50,000 yuan, is it so expensive?" Huang Shi saw that Lin Feng was talking about it, and tried to ask.

"It also depends on what equipment and what models there are, such as automatic computer refractors, some models have 80,000 units, and the cheap ones are less than 13,000." Lin Feng stood up, led Huang Shi into the small cubicle, and pointed to the equipment in his store, "Well, this one in our store is more than 50,000, domestic, Nanchang, Jiangxi."

Lin Feng walked to the side of the optometry and pointed to the wall, "Boss Huang, look at us here, we are a regular business, in addition to the business license, we also have an optometry license, an occupational physician certificate or something, my sister is a professional doctor, you go to other stores to see, they don't necessarily have these conditions."

"Boss Lin, don't call me Boss Huang, just call me Lao Huang, I remember when I was a child, the glasses store in our township was equipped with glasses, as if there was no such thing, at most there was a glasses frame that kept changing the spectacle lenses, what was that"? Huangshi looked at this small room as a special optometry room, and there were several unnamed devices.

"That's the audition frame and the refraction lens, now if you measure the interpupillary distance and optic strength, you will also use this to test the prescription", Lin Feng bent down and pulled out two boxes from the compartment of a work desk, one with "TF-C" written on it, and the other with "Progressive Optometry Box 266P" written on it.

Make that "TF-C" box, which contains five audition frames of different colors, "so good-looking", Huang Shi said with a smile, "Now, of course, you have to make it more beautiful, pay attention to details, it's not like the original audition frames are all black", after speaking, Lin Feng opened the box of the optometry box again, there were 8 rows of optometry lenses in it, and the image was like the big pants of CCTV.

This refractive lens box is divided into 4 zones, among which, the left and right sides of the box are the negative spherical area and the positive spherical area respectively, and the left side between the two areas is the negative cylindrical area and the right side is the positive cylindrical area.

Each area is orderly arranged with the transverse slots of the corresponding sequence of lenses, and marked with the identification symbol of the audition lens; The cabinet also features accessory lens slots, prism lens slots, and progressive multifocal lens sequence slots. There are many identification symbols written on it, such as black "○", pinhole "⊙", two slit pieces and two cross pieces "", red filter "R", green filter "G", flat sheet "F", frosted sheet "N", white martensis rod "M1", red martensis rod "M2", "0". 5Δ", two "1Δ", two "2Δ" and "3Δ", "4Δ", "5Δ", "6Δ", "8Δ", "10Δ", "ADD" and the corresponding lens power, and what "P1", "P2", "C1", "C2", "C2" and the like.

"Why do you still have 4 light boxes here", Huang Shi visited Lin Feng's two boxes and found that there were 4 different visual power watch boxes on the wall of the optometry room, the first one is the mountain box that we all commonly see, up and down, left and right; The other one is obviously for children, with all kinds of patterns, and the top is actually a big apple; The third is a broken ring in various directions, and at first glance it reads "Lan's Ring View Force"; Then the last one is the "subjective visual map", the top is two mahjong-like one green and one red two 6 cakes, the middle is like a square black bottom of the white clock, and then the bottom is a square black background of a white round sieve, the bottom of a square black background with a red, white and green elephant plug pattern of a pattern.

"Look at our regular shop", Lin Feng said proudly as he looked around.

Huang Shi nodded, but thought to himself, it seemed that this idea of starting a professional and high-tech optical store in ancient times was going to go bankrupt.