▁continue ▁to ▁test ▁their ▁animals ' ▁eyes ▁ann ually ▁to ▁validate ▁the ▁test ▁and ▁to ▁monitor ▁for ▁other ▁eye ▁problems . ▁ ▁Heart ▁problems ▁are ▁virt ually ▁none x istent ▁in ▁the ▁bre ed . ▁Some ▁Glen ▁of ▁I ma al ▁Ter riers ▁suffer ▁from ▁all erg ies ▁and ▁skin ▁it ch ing , ▁especially ▁on ▁p aws , ▁the ▁typical ▁problem ▁with ▁p aws ▁is ▁red ness , ▁it ch ing ▁and ▁s ores ▁during ▁sp ells ▁of ▁wet ▁weather . ▁The ▁Glen ▁is ▁not ▁generally ▁affected ▁by ▁the ▁back ▁problems ▁common ▁in ▁certain ▁other ▁long - back ed ▁bre eds . ▁H ip ▁d ys pl asia , ▁though ▁occasionally ▁seen , ▁is ▁usually ▁m ild , ▁and ▁does ▁not ▁often ▁result ▁in ▁l amen ess ▁due ▁to ▁the ▁bre ed ' s ▁typically ▁mus cular ▁build . ▁Res p ons ible ▁bre ed ers ▁use ▁O FA ▁or ▁P enn H IP ▁evalu ations ▁to ▁ensure ▁that ▁their ▁bre eding ▁stock ' s ▁h ips ▁are ▁health y . ▁ ▁Because ▁they ▁are ▁front - he avy ▁and ▁ach ond ro pl astic , ▁young ▁Gl ens ▁are ▁particularly ▁sus cept ible ▁to ▁growth ▁plate ▁inj uries ▁that ▁can ▁significantly ▁affect ▁the ▁development ▁of ▁front ▁leg ▁b ones . ▁O wn ers ▁are ▁ad vised ▁to ▁disc ou rage ▁their ▁Gl ens ▁from ▁jump ing ▁off ▁so fas , ▁ch airs , ▁and ▁b eds ▁until ▁at ▁least ▁a ▁year ▁of ▁age ▁and ▁to ▁consult ▁a ▁veter in arian ▁at