But the fact is the fender cracked at one specific point for a reason. This report describes comparable lesions in the retinopathy, globe enlarged rge chick. Look for lacquer cracks in high myopes for early warning. Choroidal ruptures, similar distribution, color, and fluoresceinangiographic appearance to lc, but are caused by a traumaticevent. This mandolin left my shop perfect in every way, was dedamped and actually played a number of times. Fundus changes at the initial examination were diffuse atrophy in 243 of 325 eyes 74. Lacquer crack lesion lcl, a complication of myopia in human patients, is characterized by loss of retinal pigment epithelium and breaks in bruchs membrane. In all the strats i have had the only one that had cracked paint in the pocket was an 04 mim classic 50s. Mexican and japanesemade fender instrument bodies are finished with polyester while the necks are finished with polyurethane. There is one small lacquer crack along the treble side of the truss rod, but its.
Dont forget that acetone nail polish remover is your best remedy for getting your fingers unstuck with crazyglue. There were 67 chinese subjects from shanghai included for our study, both eyes of the patients were examined, and we excluded 19 eyes with the following conditions. Contamination found on the substrate oil, water, grease, wax, etc. How to repair cracks in your acoustic guitar if you own an acoustic guitar long enough, chances are good that youll have to deal with the repair of a crack in the wood.
Fender strat body crack at trem stud finger lakes guitar. The headst0ck angle pitch is als0 1 reas0n why they have such nice sustain. For this reason, the lacquer used to fill a chip or crack can continue shrinking weeks after a nearly invisible repair. Fixing crack in the lacquer the steel guitar forum. In highly myopic eyes subretinal hemorrhages and lacquer cracks are often found simultaneously.
Choose a lacquer repair kit which contains the substances that you can use to fill the cracks in the lacquer. Fender still uses nitrocellulose lacquer finishes on a select group of instruments road worn and american vintage series, various artist models. I repaired what looked like a lacquer crack on an epi les paul neck last night. I usually dont recommend trying to fix such checks, because they are often an inevitable part of the nitrocellulose lacquer aging process. Ten eyes showed circumpapillary extension of the crescent. The beginning stages of posterior staphylomas are very difficult to discern on physical exam for runofthemill retinal specialists or general ophthalmologists. Lacquer cracks are found in the posterior fundus of 4. Lacquer cracks representing ruptures in bruchs membrane occur in 4.
To repair this, ill cut away the damaged alder and patch in. I add a doublerpatch panel underneath to spread out the stressesredistribute the loads, more cracking in the future is a lot less likely. Fish eyes typically but not always appear in a paint surface soon after application. Clinical guide to degenerative myopia optometry students.
Lacquer cracks are present in high myopia and can lead to choroidal neovascularisation and macular haemorrhage, which in turn can cause central visual loss but it is not very common. I have a classic lacquer jazz bass and a road worn precision. Vigorous eye rubbing has also been advocated as a possible predisposing factor to lacquer crack formation. The occurrence or extension of a lacquer crack can be associated with a macular hemorrhage that may occur in the absence of subretinal neovascularization. The classic lacquer is glossy and much thicker than the road worn.
Ideally, the new lacquer should wick its way into and along the crack from the chip. If you glue your eyelids shut, id go easy on the acetone and maybe seek pro help. Now that you have a clean and scratch free finish you can concentrate on filling the cracks. To investigate the relationship between simple hemorrhage sh associated with lacquer crack. Nine eyes of five patients had grade 2 in volvement with lacquer cracks fig. Contamination that occurs during the application andor prep process is the other common. The people who want a finish that will naturally age get just that, but it is still sealed underneath with a finish that wont crack with swings in temperature and allows this to be a production guitar versus solely hand finished since the poly sealer streamlines the prep. My challenge was to give current cabinets 40 years worth of aged yellowing, but i didnt want to add color to nitrocellulous laquer, just to have the laquer then age even more to unrealistic tint. How to stop a lacquer crack from spreading on a guitar.
So i have this problem with a couple of lacquer cracks on the body. Treatment for lacquer thinner splashed in eyes, after rinsing with water and sterile saline. If youre lucky ive been lucky often with this and choose the. Most people with lattice degeneration do not need treatment. Lacquer cracks are breaks seen in the peripheral fundus of the eyes of people with high myopia. Lacquer cracks are fine, irregular, yellow lines, often branching and crisscrossing, seen in the posterior fundus of highly myopic eyes figure 1. Fender classic series 60s stratocaster lacquer 3 tone. Lacquer over the poly is the best of both worlds in a way. One of the most disappointing of those is the tendency to check or crack with a sudden drop in temperature. They represent healed and mechanical breaks of the retinal pigment. Apply this paste into the cracks and gently smooth it down. American, korean and chinese made fender guitars are finished with polyurethane.
It is thick but not a hard finish so it will show dings very easily. These lacquer colors were created to try and match the vintage custom colors used by fender in the 50s and 60s. Was returned by a very angry customer who stated that the shipping container had no physical damage. Lacquer will melt lacquer, so when it dries, although it wont look perfect, itll weld the crack together. Lacquer cracks conditionkeywords pathologic myopia, lacquer cracks imaging device fundus camera description color fundus photograph of a 48yearold woman with lacquer cracks in the setting of pathologic myopia. The fender is bare metal, the tank is old lacquer on the bottom, and bare metal with a small amount of filler, and the front air dam is plastic.
Answered by a verified doctor we use cookies to give you the best possible experience on our website. It is important as primary eye care providers to be cognizant of the. A closer look shows the effects of years of string tension and whammy bar divebombs at this vulnerable part of the guitar. Lacquer crack appearance a term of art referring to a pattern in the optic fundus characterised by branching clefts in the lamina vitrea and ruptures of bruchs membrane with choroidal atrophy, which is seen in progressive degenerative myopia.
Hi all i have an american vintage 62 reissue strat. Each eye with lacquer cracks had tem poral crescent formation at the optic disk. As the eye stretches it can cause breaks to appear on the retina, which your. Wet sandingcracked lacquer inlays and finishing chat. Checking will vary according to the extremes the instrument has been through. Variants in use include satin nitrocellulose lacquer highway one models, jim root stratocaster, which is a flatter finish, and thinskin nitrocellulose lacquer vintage hot rod models, which. There is one reason for the appearance of fish eyes. Lacquer cracks are seen in almost 5% of highly myopic eyes, and the reported incidence of cnvm associated with these lesions is as high as 10%. Realize that i am being quite picky to say that i can see the repaired area but i try and educate my customers to the nature of lacquer so they know what.
Ive read some information saying that this is quite normal in guitar with a bolton type of necks. Lacquer crack lesions in pathologic myopia sciencedirect. Lacquer cracks observed in peripheral fundus of eyes with high myopia mitsuki suga, kosei shinohara, kyoko ohnomatsui department of. It simply makes sense that when a fender is weak in one area and cracks the repair should address that weakness. Fender would then spray over the coats with nitrocellulous laquer, which is a tougher protective coat than shellac, and presto laquered tweed. Treatment for lacquer thinner splashed in eyes, after. In six patients lacquer cracks were present in only one eye. Under close inspection with a bright light, you can still see a hint of the cracks because the lacquer did not seep all the way down into the crack this could have been remedied by first widening the cracks with a knife but it is good enough that it will never be noticed by anyone but me and that is only because i know they arew there. Gibson les paul 1957 goldtop cme gear demo youtube.
Emerson, md, phd retina center of minnesota coauthors. Mitsuki suga, kosei shinohara, and kyoko ohnomatsui. A body crack in a solidbody electric guitar is not a common problem. Lacquer cracks vs angioid streak vs choroidal rupture all three diseased statesof bruchs membrane angioid streaks emanate radially from disc, are straighter,and are reddish in color. Lets say you had a severe scratch where it went down to the brass, if you scrapped it all down it would still be hard to notice.
Diagnosis and treatment of cnv in myopic macular degeneration. Pathologic myopia ohnomatsui annals of eye science. Knowing how to evaluate the seriousness of a crack will allow you to determine whether to call a repair person immediately or whether it might be ok to leave it alone for a. The squier cvs i have, have the tighest pockets i have come across.
Patchy atrophy and lacquer cracks predispose to the. This is an extremely common, somewhat expected condition on older instruments with lacquer finishes. The thin, watery superglue will fill cracks in lacquer pretty well. The content on this site is presented in a summary fashion, and is intended to be used for educational and entertainment purposes only. Spontaneous lacquer crack lesions in the retinopathy. Lacquer cracks observed in peripheral fundus of eyes with high. How to repair cracks in your acoustic guitar guitar alliance. Clinically, they appear as fine, irregular yellow lines, single or multiple, linear or stellate, often branching and crisscrossing at the posterior pole, usually within an area of staphyloma. As an instruments wood expands and contracts with moisture content stress is placed on the finish.
Lacquer cracks standard mia fender stratocaster guitar forum. Lacquer cracks definition of lacquer cracks by medical. The progression of lacquer cracks in pathologic myopia. Lacquer cracks have only been observed in the posterior pole of highly myopic eyes. I used a glue syringe from stewartmacdonald and titebond iii cleans up with water and clamped it for several hours. My 4 year old and 1 year old claim that laquer does not affect guitar tone, fender claims otherwise. Lacquer cracks were detected more frequently in the temporal 44. Conversely, lacquer cracks are found in more than 80.
The classic series 60s stratocaster lacquer evokes that golden chapter in fender history with an authentic nitrocellulose lacquer finish on its sleek alder body. You cannot do any thing to prevent it but eye specialist may do further investigation like fluorescein angiography or ocular coherence tomography oct and may. Since the volute is cracked as well as the flexing parts of the soundboard i can only surmise that it was thermal shock or chemical. Removing scratches from guitar finishes lacquer repair. However, lacquer cracks are a classical symptom of myopic degeneration and while your condition may remain stable for many years, the odds are more in favor of problems as you age. Full text lacquer cracks observed in peripheral fundus of eyes with. Lacquer cracks observed in peripheral fundus of eyes with high myopia. Once the strings were off, it was obvious that it was a lot more than the lacquer. This will fill the gaps but it will always be slightly visible. I got it today, ordered it and its a secondhand 2014 model. Also note the classic lacquer seems to have the same neck as a road worn but the finish is much.
Nitrocellulose lacquer does have some nasty habits. What kind of finish do you use on your instruments. The eyes of men have a 2fold incidence of lacquer cracks as compared with those of women. Need to remove some lacquer from a guitar or some furniture.
I havent used the premixed stuff before, but i used the premixed lacquer paint in. Lacquer is very high in solvents and as a result it shrinks quite a bit. It is not intended to be and should not be interpreted as medical advice or a diagnosis of any health or fitness problem, condition or disease. Lacquer crack appearance definition of lacquer crack. Longterm natural outcomes of simple hemorrhage associated. It can be resurfaced and buffed over real nicely too. Lacquer cracks in pathologic myopia retina image bank. Retinal physician easily misdiagnosed retinal entities.