Lens Case

Salt crystals formed in the bottom of my contact lens case?

Lately when I put my contacts in, they have burned my eyes for a minute. Then today I realize that there are salt crystals in the bottom of my contact lens case. Just wondering if I need to worry about my eyes or anything, and how the salt crystals formed. Thanks!!!

You need to rinse and dry your contact lens case with clear water every day after you put your contacts in your eyes.
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Cooke Varotal 18-100mm T3.0 Zoom Lens With Case Plus+ $13,000.00

BARCO ELM R18 DLP PROJECTOR 17K LUMENS ROAD CASE & LENS $9,995.00

LEICA R 400mm f/2.8 APO-TELYT-R Lens MINT- IN CASE $9,850.00

LEICA R 400mm f/2.8 APO-TELYT-R Lens Near MINT IN CASE $8,250.00

Fujinon HA20×7.5 BEVM-G28 Broadcast HighDefinition Lens w/ Case $7,500.00

Nikon AF-I 600mm f/4D ED-IF lens afi 600 4 with Trunk Case mint $6,278.98

Nikon Nikkor 600mm F/4 AF-I lens case filters F/4.0 autofocus DSLR camera AF-S $6,125.00

Nikon Nikkor 600mm F/4 AF-I lens case filters F/4.0 autofocus DSLR camera AF-S $6,000.00

Leica M 90mm Summicron Apo Asph Lens Unused In Case/Box $5,980.00

LEICA 16/18/21MM TRI-ELMAR-M F4 ASPH 6BIT LENS OUTFIT +CASE NEAR MINT $5,850.00

Panasonic AG-AF100 Professional Kit w/ HD Lens & Case Bundle $5,349.00

NEW PANASONIC AG-AF100 14-140MM LENS HARD CASE PROMO BUNDLE H-VS014140 PKB-275PV $4,995.00

LEICA M6 KIT with 50mm and 90mm F2 Lenses Case E55 E39 Filters and Hood $4,989.95

FLIR T197914, (Extech) 15 deg. Lens (15 deg., f=41.3mm) with Case $4,945.00

Nikon 200mm f/2 1:2 ED-IF Nikkor MF Lens 99% MINT+ CASE $4,750.00

NIKON AF-S ED 500mm f/4D IF lens MK 1 afs 500 4.0 with case $4,548.98

Nikon ED AF-S 300mm F/2.8 D (IF) Lens w/CL-L1 Case *MINT* $4,299.00

LUXURIATOR BY FRANCO Green Lens Stitch Diamond Detail Sunglasses 964/H80 IN CASE $3,999.00

FLIR T197915, (Extech) 45 deg. Lens (45 deg., f=13.1mm) with Case $3,945.00

Vintage Leica Camera IIIC Gray III C Grey Summitar lens old w/ case tripod WWII $3,599.99

Canon XLH1 Video Camera package, includes Mattebox, Lens, & Case $3,500.00

LEICA M3 SUMMICRON RIGID 2/50mm LENS FILM 35mm CAMERA MINT f=5cm METER CASE CAP $3,499.00

LEICA M3 – 1027256, 50mm f/2.0 SUMMICRON LENS, LEICA-METER MR & EVEREADY CASE $3,389.00

USA Canon w\ WARRANTY 5D Mark II Digital SLR Camera+ 24-105 IS Lens+ 24GB, Case $3,249.99

MIB PANASONIC AG-AF100 CAMCORDER+/LENS/ACCYS/EXTRAS/BOX/CASE NR $3,231.00

Canon EOS-5D DSLR w/EF24-105mm L Lens +8GB/Case/Battery Grip BUNDLE #2764B004 KA $3,117.11

Canon EOS-5D Mark II Digital SLR w/EF 24mm-105mm L Lens +16GB + Case -BUNDLE- $3,100.38

NIKON AF-S NIKKOR ED 300mm f/2.8D IF lens afs 300 2.8 with case Excellent $3,009.98

Sinar P 4X5 5X7 view camera kit w/ 3 lenses auto shutter lots extra Case 13X18 $2,999.00

2 – NEC NP2000 4000 Lumen Projectors w/ Pelican Cases & STD Lens $2,995.00

CANON EH-123 FD 300 mm F2.8 Cine Lens Excellent Condition with Custom Case $2,995.00

Pentax 67 (6X7 format) Medium Format Film Camera, 7-Lens, Halliburton Case EXC++ $2,995.00

NIKON AF-S NIKKOR ED 300mm f/2.8D IF lens afs 300 2.8 with case Excellent $2,848.98

Sinar P 4X5 5X7 view camera kit w/ 3 lenses auto shutter lots extra Case 13X18 $2,799.00

Very rare Nikon 5cm f:1.1 lens hood w case, filter & box $2,750.00

NIKON F3/T 35mm Camera Set (Body+2 Lenses+Flash) in Leather Case $2,695.00

Mamiya RZ67 Pro kit with 3 lenses, 2 backs, grip, Metering Prism and case $2,693.25

Leica Summicron M 50mm f/2 lens E39 6 bit latest #11826 M8 M9 Case Box LN Mint $2,548.00

Sony HVR V1U Camcorder with Wide Angle Lens, Case and MANY accessories $2,500.00

NIKON ED AF-S VR NIKKOR 70-220mm 1:2.8-G CAMERA LENS w/CASE Extra-Low Dispersion $2,499.99

Rolleiflex 2.8F TLR , Carl Zeiss 80mm / 2.8 Planar Lens , Case , Hood , Strap $2,499.00

NIKON AF-1 300MM F2.8D LENS WITH TC-20E , CASE MINT D3, D3S,D700 $2,495.00

Pentax 2.8 300mm ED (IF) SMC Pentax-A Lens with Case $2,400.00

Canon EOS 7D w/ 18-135mm and 15-85mm Lenses and Case – Instant Rebate Bundle $2,389.00

Nikon D2xs SLR camera + Nikon 28-70mm F2.8 lens + Hard case + Flash, Excellent $2,375.00

Leica Summicron M 50mm f/2 lens E39 6 bit latest #11826 M8 M9 Case Excellent+++ $2,318.00

Cambo Wide 650 4×5 camera with Schneider 5.6 f Lens, Center filter, and Case Pac $2,300.00

Photographic Camera’s/lens’/tripod/and carrying case $2,300.00

PHOTO-SONICS 16MM 1B WITH MAGAZINE + LENS + CASE / LOOK $2,288.25

SMC PENTAX FA* 80-200mm 2.8 IF & ED LENS W/CAPS/HOOD/CASE/FILTERS EXCELLENT $2,250.00

Canon EOS 7D SLR Camera Bundle w/ 15-85mm Lens and Case – Instant Rebate Bundle $2,198.99

Canon EOS 7D w/ 18-135mm and 70-300mm Lenses and Case – Instant Rebate Bundle $2,148.00

Canon EOS 7D w/ 18-135mm and 70-300mm Lenses and Case – Instant Rebate Bundle $2,148.00

Canon XH-A1S Camcorder + Canon Wide Angle Lens + extra battery + Case! $2,050.00

Mamiya 7 II Medium Format Rangefinder Film Camera, Lenses, Case and Gear $2,025.00

Leica 180mm f/2.8 proto type lens null number with Leica leather case $2,000.00

Canon EOS 7D SLR Camera + 28-135 IS Lens + Case & More $1,999.99

Nikon 14-24mm f/2.8G AF-S ED Nikkor Digital SLR Camera Wide Lens NEW + Case $1,999.95

Nikon D7000 3 Lens Package Kit: 18-105mm VR, Memory, Case, and More $1,999.95

Sony NEX-VG10 HD Camera bundle-3lens,3batteries,2chargers,16GB SD,Sony case&more $1,999.00

Sinar P 4×5 Camera Kit 4 Lenses Shutter Case Lot Extra $1,999.00

LEICA 3 CAM TELYT-R 4.8/350mm f=350 MINT CASE CAPS LENS $1,999.00

Nikon S3 Body w/Nikkor-S 50mm (5cm) f1.4 Lens with case $1,975.00

NIKON AI 600mm f/4 ED Lens with carry case $1,958.98

Video Camera JVC DY90U w/ Nikon Lens w/ Portabrace Case $1,950.00

NEW! CANON 85 1.2 L II Lens * Includes Case* $1,939.75

CONTAX ZEISS 645 AF 645AF ZEISS 35MM 3.5 T* LENS & shade GB-101 / case *MINT-* $1,925.00

CONTAX 645 AF 645AF ZEISS 35MM 3.5 T* LENS & case MINT- $1,899.99

Rolleiflex SL66 Camera with Carl Zeiss Lens, case and manual excellent condition $1,875.00

Used Nikon S3 Rangefinder Body + NIKKOR-S 50mm 5cm F/1.4 Lens + Orig Case EX++ $1,870.55

Leica Summicron M 50mm f/2 lens E39 #11826 M2-M7 M8 M9 Case Box Excellent+++ $1,864.00

Nikon ED 200mm f:2 Nikkor w/Case-BIG Professional Super Fast Telephoto lens-NICE $1,858.12

Canon EOS 7D w/ 70-300mm Lens and Case Instant Rebate Bundle $1,848.00

Canon EOS 7D w/ 70-300mm Lens and Case Instant Rebate Bundle $1,848.00

Mint Nikon F2 Black w/Lenses 105mm 50mm and Hard Case $1,800.00

Sony 70-400mm f/4-5.6 G SSM Telephoto Zoom Lens with Hood Case #SAL70400G $1,799.99

LEICA TELYT f=40cm 1:5 LENS 5/400mm VISOFLEX OUBIO FILTER CAPS LEATHER CASE KIT $1,799.00

2 IS Lenses: 28-135 IS + 70-300 IS + Full Range + 32G + Hard Case & MUCH MORE $1,780.54

2 IS Lenses: 28-135 IS + 70-300 IS + Full Range + 32G + Hard Case & MUCH MORE $1,758.56

CANON EOS EF 70-210mm 2.8 L IS USM LENS MINT- W/CAPS/HOOD/CASE/BOX $1,750.00

CANON EF 85mm F1.2 F/1.2 L USM LENS W/ ORIGINAL BOX SOFT CASE $1,719.00

Canon FD 800mm f5.6 Super Telephoto MF Lens f/ SLR w/ Case “LQQK” $1,699.00

LEICA SLR CAMERA ZOOM LENS VARIO-ELMAR-R 1:4/80-200mm E60 ROM CAPS CASE EXCELLEN $1,699.00

Canon VL Camera w/ LENS 50mm 1.2 + Case $1,699.00

Zeiss Contax Ib w/5cm 3.5 Tessar Lens & Case $1,699.00

Canon EF 70-200mm f/2.8 L IS USM – Lens 70-200 2.8 Telephoto Zoom w/ case EOS $1,699.00

Zeiss Hologon 16mm F/8 T* Lens For Contax G1 G2 # Original Case & Finder $1,669.00

Canon EOS 60D Camera w/ 18-135mm & 70-300mm Lenses and Case $300 Instant Rebate $1,628.00

Leica M3 rangefinder camera, lens, w/case+Leica M meter $1,600.00

M3 LEICA CAMERA METER MANUAL CASE ELMAR 2.8/50 LENS CAP $1,599.00

Nikkor Nikon 80-200mm f2.8ED AF Lens w/ Hard Case & Lens Hood & Bonus 3 Filters $1,588.88

Fuji Fujifilm FinePix X100 camera w L case & Lens hood $1,550.00

Huge Beautiful Exakta Cameras, Lens, and Accessories Collection w Leather Cases $1,550.00

Canon EF 70-200mm 2.8 L IS Lens Boxed Complete with Tripod Ring and Case $1,549.99

Canon EF 24mm f/1.4 L II USM Lens with Case $1,541.00

Leica Elmarit-M 90mm f/2.8 Lens **Mint Condition** w/ Case $1,527.00

Canon EF 70-200mm F/2.8 L IS USM telephoto Lens with case and hood $1,520.00

Vintage HASSELBLAD 500c Camera Outfit w/Case Carl Zeiss Sonnar 1:4 150mm Lens $1,500.00

Mamiya 645 J Camera system with lenses, case, macro accessories… $1,500.00

Zeiss Hologon 16 mm F/8.0 Lens For Contax/filter/viewfinder/case mint $1,500.00

Contact Lens Cases

            Contact lens wearers have always focused on the selection and fitting of their contact lenses.  However, with the exception of perhaps selecting a ‘nifty’ color, less attention is paid by many to the lens case in which their contacts will be stored.  This is an oversight that could lead to serious eye-health problems.

 

            Currently, a large portion of research in the contact lens field centers on preventing and treating infections that result from contaminated lenses.  The condition of contact lens cases must also be considered a factor; especially when a recent study* discovered that nearly one quarter of cases in use are never replaced. This is extremely alarming because when not properly cared for or discarded, these cases become reservoirs for dangerous bacteria that threaten the health of the wearer’s eyes.  The implications are more serious when realizing that an increasing number of children are being fitted for contacts.  If parents are lax in lens care, it is logical to assume that this behavior will be passed onto their kids.

 

            One very serious condition that can stem from unclean contact lens cases is acanthamoeba keratitis.  This is a microbial infection that in its advanced stages leads to ulceration of the cornea and the need for a corneal transplant.  Symptoms include irritation, sensitivity to light, tearing, and the feeling that something is in the eye.  At times diagnosis is not immediate, as these symptoms mirror other types of eye infections. 

 

Whether it is due to neglect or lack of awareness, the negative trend in lens case care must be reversed.  Nearly 80% of complications related to contact use are due to patients not applying proper care techniques.  The important thing to remember is that contacts are not just fashionable accessories, but regulated medical devices that require the utmost diligence (and that includes cases) to safeguard your eyes. 

 

Recommended contact lens case replacement is once a month, and during the time a case is kept the following steps should be taken:

• Always wash hands before handling contact lens or the lens case.
• Never use tap water (which may contain bacteria) to clean lens cases. Use a solution and air-dry with the lids open.
• Never ‘top-off’ old solution with new.  Use fresh solution each time you store the lenses.
• Do not allow solution bottle tips to touch any surface, including your body, as this leads to contamination.
• Do not use solutions past their expiration date.

 

Also available are case-holders that keep track of replacement times for both lenses and cases.  These are handy for those who do not want to rely on their memory alone.

 

Consult your eye care professional about contact lens and lens case care, types of solutions that are best suited for your needs, and any changes in care regimen that you plan to make.  Be sure to follow all your doctor’s instructions.

 

* Conducted by WatchDog Group LC, St. Louis, MO.

About the Author

Chelsea Francis is a research and marketing analyst for Contact Lens King. Contact Lens King retails contact lenses to the public at up to 70 percent savings.

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